How it works
Decode
01

Upload

Photograph the full item, the label, and a construction or fabric detail.

02

Read the clues

Tab marks, contract numbers, tag eras, hardware — weighed against the rest of the garment.

03

Get the record

Era, maker, fabric, and condition — grounded in real dating research, not a guess.

04

List

Copy formatted for each platform you sell on — eBay, Depop, Vestiaire, and more.

Source
01

Ask

Tell it what you're hunting for — a garment, a brand era, a silhouette.

02

Search

Live results pulled from eBay, Etsy, Depop, Grailed, Vestiaire, Poshmark, and Vinted.

03

Check

Each listing's era and maker claim checked against the same dating knowledge.

04

Flag

Underpriced or mislabeled listings called out — the ones worth a second look.

Encoded knowledge
What Selectivist knows — in every photograph, and every listing.
Levi's tab dating
Big E / little e, tab width, leather patch markings — era markers specific to the model and decade.
US military contract numbers
DA, DSA, DLA, and SPO prefixes each map to a specific, non-overlapping procurement window.
Blank t-shirt tag eras
Anvil, Hanes, Fruit of the Loom, Champion, and more — each blank brand operated within a known active window.
Construction & fabric
Selvedge denim, stitch type, hand vs. machine sewing, and fiber identification read from the photos, not assumed.
Condition, stated honestly
Wear, fading, and repairs surfaced plainly, matching what the buyer will actually see.
Luxury handbag date codes
Celine, Prada, and Dior production codes, read alongside stitching and hardware quality.
Decode in action
One garment. Three platforms.
eBay, Depop, and Vestiaire Collective each expect something different. Selectivist drafts all three from a single analysis.
Measurements-first · condition disclosed
Levi's Orange Tab 501 Jeans — Made in USA, 1970s Vintage orange-tab 501 in honest, lived-in condition. Big E red tab, no repairs, stitching consistent with the era. Measurements (laid flat): Waist: 32 in. · Inseam: 31 in. · Front rise: 11 in. Fabric: 100% cotton selvedge denim. No rips or patches, one small fade line on the right back pocket. Button fly, original hardware.
Casual, styling-forward · shorter
70s orange tab 501s — big E red tab, honest wear, no repairs. Selvedge denim that only gets better with age. True vintage, not reworked. vintage, levis, 70s, denim
Formal, authentication-conscious
Levi's 501, Orange Tab era (circa 1973–1978) Authenticated by tab construction and stitching consistent with period production. Condition presents honestly for age: light wear, no visible repairs or alterations. Original hardware throughout.
Source in action
One search. Flagged opportunities.
Every result is checked against the same dating knowledge Decode uses — the listings worth a second look get called out.
Levi's 501 Button Fly Orange Citrus Jeans, Vintage
eBay · $39.99 · Country of Manufacture shown as Haiti — Levi's shifted production there mainly from the 1990s onward, suggesting this dates later than the title implies
Worth a look

Built on research, not a generic prompt.

Dating knowledge
Encoded from real dealer and archival sources — Levi's tab dating, WWII contract numbers, blank t-shirt tag eras, and more.
Structured output
The same fields, every time — no reformatting a chat response by hand.
Platform-aware
Stop rewriting the same listing for every platform. One upload gives you copy formatted for eBay, Depop, Vestiaire, and Vinted simultaneously — the hours you'd spend reformatting by hand, back the moment you finish a photo.
Cross-marketplace
Source checks eBay, Etsy, Depop, Grailed, Vestiaire, Poshmark, and Vinted in one pass — surfacing the listings worth a second look instead of seven browser tabs.
Always improving
Every correction fed back in gets folded into the tool's reference knowledge — sharper for every dealer using it.