SKU Style Codes, Production Date Stamps & Box Label Fonts
Log precise manufacturer style-colorway codes, size tags, internal factory date stamps, production run numbers, and UPC or EAN barcodes. Capture close-up images of font weights, box stamps, RFID chips, and UV-reactive stitching to establish specific silhouette iterations.
Hydrolysis Risk, Midsole Firmness & Oxidation Stages
Document PU foam integrity, outsole crumbling, heel drag, toebox creasing, paint cracking, and collar separation. Record icy sole yellowing levels, glue discoloration, factory odor, insole graphic wear, and whether the pair remains strictly Deadstock (DS) or factory unlaced.
Primary Retail Invoices, Tier-0 Drops & Authentication Tags
Track serialized platform tags from StockX, GOAT, or eBay Authenticity Guarantee alongside original retail receipts from SNKRS, Confirmed, or boutique raffles. Preserve chain-of-custody transfer records, pop-up wristbands, Friends & Family gift provenance, and original hangtags.
Secondary Market Bids, Deadstock Premiums & Replacement Costs
Track size-specific realized secondary marketplace transactions, lowest asks, and historic secondary trends across authenticated secondary platforms. Establish defensible baseline replacement values that account for the premium spread between pristine Deadstock pairs and lightly worn examples.