Authenticity Guides

We plug-test the consoles before we list them. We measure tees pit-to-pit, laid flat, with a tape. We read the copyright notice on the hem tag, the catalog number stamped on the clamshell spine, the oval or rectangle SOQ on the bottom of a Super Nintendo cart. These guides put that work on the page.

Why this exists

Most vintage you find online is sold on a title and a guess. A seller types "90s Starter jacket" and points a phone at it. That works until a buyer turns the tag inside out and finds a registered-trademark position that didn't exist until 2004, or a tackle-twill overlay glued on top of heat-press letters that were supposed to be satin. That is the gap these guides fill.

Keep It Classic has been in the vintage business for 7+ years. We have handled thousands of pieces across wrestling, jerseys, VHS, retro games, tees, and toys. We are not a third-party grading company. We are not PSA, WATA, or Beckett. What we offer is method, specifics, and our willingness to show the work on every piece we list.

How we authenticate

Each category gets the same treatment with different tools.

• Apparel. Inside-out tag read. Stitch count on the hem. Lettering construction (heat-press, tackle-twill, embroidered, sublimated). Label era cross-check. Fabric weight and satin variant. Measurements laid flat.
• VHS. Distributor on the spine. Catalog number pattern. Clamshell vs cardboard slipcover. SP / SLP / EP tape-speed marker. Rental sticker remnants. Copyright year on the label art.
• Retro video games. Oval vs rectangle Seal of Quality. Country of manufacture stamp. Label print quality and paper stock. PCB pattern where the cart opens. Plug-test on a real console. Save-battery check where the title uses SRAM.
• Jerseys. Manufacturer flag tag. Jock tag year code. Tackle-twill vs heat-press vs sublimated numbers. Fabric weight for the era.
• Toys and collectibles. Copyright stamp on the molded plastic. Date code on the packaging. Bubble integrity. Paint-spec comparison against the known run.

The guides

These are the first three. More land on a rolling cadence as we work through the catalog and pull the method notes out of our heads and onto the page.

What we do not claim

We do not issue grading slabs. We do not hold a PSA, WATA, or Beckett certification, and we do not imply one. When a buyer wants a graded, sealed, or third-party-certified piece (common on high-tier sealed games, certain rookie cards, and high-value sealed tapes), we recommend using the third-party service that covers that category. Our authority is earned through tenure, method, and the photos we publish with every listing, not through a credential we do not hold.

We also do not call reprints originals. If a piece is a reissue, a retail reprint, or a later-era pressing, the listing says so. That practice is the backbone of the trust we are building with repeat customers, and it is the same practice that drives these guides.

How to use these guides when buying from anyone

These guides are written so you can authenticate against any seller, not just us. Take them to an estate sale, a flea market, or another online listing. If a seller balks at the specific checks below (cannot show the tag, refuses to photograph the spine, cannot confirm the country stamp), that is a signal. A seller who knows the category will happily answer these questions. A seller who does not usually gets quiet.

Next up

On deck: vintage jersey authentication (Mitchell & Ness, Starter NBA, Champion NFL), vintage t-shirt dating (single-stitch tags, copyright positions), and Coliseum Home Video vs WWE Home Video re-release identification. If you want to see a specific category covered sooner, call the shop at (702) 605-3332 or email info@keepitclassiclv.com.

Shop the categories

Browse the collections these guides cover: Starter, Jackets, VHS Tapes, SNES, Video Games, Wrestling.