Guides

TikTok Shop card sellers: the packing bench, start to finish
TikTok Shop card sellers: the packing bench, start to finish
TikTok Shop publishes packaging expectations for cards, and Fulfilled by TikTok ships in TikTok's own boxes. Here is a bench order that satisfies both. Read more...
PWE, FCML and the cheapest card shipment you can still number
PWE, FCML and the cheapest card shipment you can still number
How PWE and FCML card shipping really works: letter size, thickness and weight limits, no tracking, and where a numbered seal goes when there is no box. Read more...
Group break spot numbering: matching the spot to the shipment
Group break spot numbering: matching the spot to the shipment
How breakers tie a spot number, a buyer handle and a shipment together with one numbered seal, plus the ship-hits-only vs ship-everything fork. Read more...
What 60, 600 and 3,000 seals actually cost per shipment
What 60, 600 and 3,000 seals actually cost per shipment
Seal arithmetic by cadence: 60 seals is $30.00, 600 is $240.00 at 40c, 3,000 is $990.00 at 33c. What that works out to per package for four kinds of seller. Read more...
Numbering for MTG, One Piece and Lorcana sellers, not just Pokemon
Numbering for MTG, One Piece and Lorcana sellers, not just Pokemon
High-value singles ship in the same toploaders whatever the game. How MTG, One Piece, Lorcana and Star Wars Unlimited sellers number and log what they ship. Read more...
Consignment intake for card shops: numbering other people's cards
Consignment intake for card shops: numbering other people's cards
A counter workflow for card shop consignment: number the holder at intake, photograph it, log the number next to the consignor, and hand back a matching stub. Read more...
Card show numbering playbook: one table, two days, nothing missing
Card show numbering playbook: one table, two days, nothing missing
Run a two-day card show off a count-out sheet and numbered trays: what to number, how to pack down overnight, and how to reconcile the table on Sunday night. Read more...
Custom Grading Stickers vs. Real Grading: What You Can Print
Custom Grading Stickers vs. Real Grading: What You Can Print
Custom grading stickers carry your own displayed grade under your own name. Here is the line between a display sticker and a grading company's label. Read more...
What should the QR code on your seal actually point to?
What should the QR code on your seal actually point to?
Five places a QR code on a card seal can send a buyer, and what each one is good for. A scannable code shows what you logged and when —... Read more...
How to photograph a serial so it still reads six months later
How to photograph a serial so it still reads six months later
Holographic foil fights a flash. A bench routine for photographing a numbered seal so the digits still read months on: light, angle, framing, filenames. Read more...
Serial-Numbered Cards vs. Seals: Two Different Numbers
Serial-Numbered Cards vs. Seals: Two Different Numbers
A /25 stamped at the factory is scarcity. The number on a seal is a shipment number you assign. What each one means, and what a label never changes. Read more...
Will a Serial Seal™ damage your toploader, case or card?
Will a Serial Seal™ damage your toploader, case or card?
Shipping tape really does wreck top loaders. A 1.77 x 0.75 in die-cut foil label is a different problem. Where it is fine, and where we say do not. Read more...
Where to put a Serial Seal™ on every card holder and package
Where to put a Serial Seal™ on every card holder and package
A format-by-format guide to where a Serial Seal™ goes: fold or single, how much lands on each face, and the holders that should never take adhesive. Read more...
Running a Numbered Repack Series: Prefixes, Sequences and What 600 Serial Seals™ Cost
Running a Numbered Repack Series: Prefixes, Sequences and What 600 Serial Seals™ Cost
How repack sellers number a series: picking a prefix, sequential vs random codes, what a run of 600 Serial Seals™ costs, and why the number is what buyers chase. Read more...
Numbered Serial Seals™ for Pokemon Mystery Packs and Repacks
Numbered Serial Seals™ for Pokemon Mystery Packs and Repacks
An unnumbered mystery pack is a bag of loose cards with a price tag. Here is how repack sellers use branded, serialized Serial Seals™ to make each pack a countable... Read more...
Number Your Pokemon Slab Collection Like a Print Run
Number Your Pokemon Slab Collection Like a Print Run
Give every slab in your Pokemon collection its own serial number. Serial Seal™ on the case, never the card. How to build a registry you can hold and film. Read more...
Number Your Break Hits: One Serial Seal™ Per Hit, Your Prefix
Number Your Break Hits: One Serial Seal™ Per Hit, Your Prefix
One Serial Seal™ per hit, your prefix, sequential numbers. How breakers number break-night hits so they read on stream, log cleanly, and list better on resale. Read more...
How to number storage boxes and show inventory with Serial Seals™
How to number storage boxes and show inventory with Serial Seals™
Number your storage boxes, long boxes and show cases with Serial Seals™ so a count is a glance and a returning trade matches your own record. Read more...
Sealed wax: put the Serial Seal™ on the shipping box instead
Sealed wax: put the Serial Seal™ on the shipping box instead
Do not put adhesive on a booster box, ETB or pack. Here is where the Serial Seal™ goes on a wax order instead, how to size the fold, and how... Read more...
Where to seal an ETB acrylic case, not the box itself
Where to seal an ETB acrylic case, not the box itself
The ETB is factory sealed, so the acrylic case is the layer you can mark. Where a 0.75 x 1.77 in Serial Seal™ goes, which panel to avoid, and what... Read more...
How to put a Serial Seal™ on a top loader without touching the card
How to put a Serial Seal™ on a top loader without touching the card
A top loader is open on the 3-inch top edge. Here is exactly where a Serial Seal™ fold goes, how thickness changes the grip, and why the card stays clean. Read more...
How to seal a team bag for breaks and show inventory
How to seal a team bag for breaks and show inventory
A team bag flap is already a closure. Here is where the 0.75 x 1.77 in Serial Seal™ goes, single or fold, and what a numbered bag does and does... Read more...
How to put a numbered Serial Seal™ on a card shipping package
How to put a numbered Serial Seal™ on a card shipping package
Where a numbered Serial Seal™ goes on a bubble mailer or a card shipping box: flap edge, box seam, real measurements, and what it is honestly worth later. Read more...
How to seal a semi-rigid card saver for transit and stock
How to seal a semi-rigid card saver for transit and stock
Where a numbered Serial Seal™ goes on a Card Saver: fold over a long side edge, not the flared lip. The landing math, and why a holder going for grading... Read more...
How to seal a penny sleeve, and when to seal the top loader
How to seal a penny sleeve, and when to seal the top loader
A penny sleeve is 2 mil film with the card right behind it. Where the Serial Seal™ lands, when to seal the top loader instead, and how to keep adhesive... Read more...
Where to put a Serial Seal™ on a magnetic acrylic card holder
Where to put a Serial Seal™ on a magnetic acrylic card holder
A magnetic acrylic card holder splits all the way round the edge. Here is where a 0.75 x 1.77 in Serial Seal™ goes, which face to number, and what it... Read more...
Where to put a Serial Seal™ on a graded slab: PSA, BGS, CGC, SGC
Where to put a Serial Seal™ on a graded slab: PSA, BGS, CGC, SGC
A graded slab has no opening, so the Serial Seal™ is a numbered mark you log. Fold over the bottom edge, clear of the label and cert, and photograph it. Read more...
How to seal a break stack without slowing the night
How to seal a break stack without slowing the night
Where to put a numbered Serial Seal™ on a bundled break stack, how to work out the per-face landing before you fold, and what to do when the pile is... Read more...
Display Stickers for Sports Cards: Your Shop Name, Your Grade
Display Stickers for Sports Cards: Your Shop Name, Your Grade
Custom grading-style display tags from Serial Seal™ for raw and graded sports cards. Your shop name, your grade call, your numbering. 4 for $7.99, 12 for $14.99. Not a certification,... Read more...
Custom Grading Stickers for Pokémon Slabs and Top Loaders
Custom Grading Stickers for Pokémon Slabs and Top Loaders
Serial Seal™ printed display tags for Pokémon slabs and top loaders: 12 layouts, holographic foil where the white would be, 4 for $7.99. Not a grading label, and we say... Read more...
The Card Shop Counter Workflow: Serial Seals™, Store Numbers and Matching Tags
The Card Shop Counter Workflow: Serial Seals™, Store Numbers and Matching Tags
How card shops run branded Serial Seals™ and matching display tags as one system: consignment intake, store-numbered inventory, and what each piece costs per unit. Read more...
Branded Serial Seals™ vs Generic Void Stickers, Compared
Branded Serial Seals™ vs Generic Void Stickers, Compared
A generic void sticker and a branded Serial Seal™ are equally not a lock. One is anonymous, the other is yours. Here is what that difference costs per seal. Read more...
Branded Serial Seals™ for eBay and Whatnot Card Sellers
Branded Serial Seals™ for eBay and Whatnot Card Sellers
For card sellers on eBay and Whatnot, the package is the only physical touchpoint you control. A branded Serial Seal™ on the one-touch is the cheapest trust signal you can... Read more...
Whatnot breaker shipping: number every hit you ship
Whatnot breaker shipping: number every hit you ship
A good night on Whatnot ends the same way every time: a case ripped live, forty spots sold, and forty packages heading to people you have never met. The break... Read more...
A card seller's return policy: wording for what you ship
A card seller's return policy: wording for what you ship
You ship a graded slab worth four figures. Two weeks later a return request lands marked "not as described," and the case that comes back is not the case you... Read more...
PSA Slab Return Scams: Switched Slabs and What to Document
PSA Slab Return Scams: Switched Slabs and What to Document
You ship a PSA 10. Two weeks later a return request lands: item not as described. The box comes back with a slab inside — same card, same year —... Read more...
Return Abuse on eBay: A Card Seller's Documentation Routine
Return Abuse on eBay: A Card Seller's Documentation Routine
Most returns are ordinary. A card looks worse centered in hand than it did in the photo, a buyer changes their mind, you refund and move on. A small share... Read more...
Card Switch Scam: How the Fake-Card Return Actually Works
Card Switch Scam: How the Fake-Card Return Actually Works
You shipped a PSA 10. Three weeks later a return request lands: item not as described. The package comes back on time, tracking says delivered, and inside is a PSA... Read more...