Sealed-collectible guide

What Does New Old Stock Mean?

Why NOS is a seller description, not a universal condition standard.

Factory-sealed collecting rewards careful identification and restraint. The same visual sign can be normal on one product and suspicious on another, so category-specific comparison matters more than generic “reseal tricks.”

1. Unused does not mean sealed

Unused does not mean sealed should be evaluated against the exact category, era, package format and documented factory variation. Preserve evidence, photograph before handling and avoid turning one visual clue into a definitive authenticity claim.

2. Storage damage matters

Storage damage matters should be evaluated against the exact category, era, package format and documented factory variation. Preserve evidence, photograph before handling and avoid turning one visual clue into a definitive authenticity claim.

3. Parts can degrade

Parts can degrade should be evaluated against the exact category, era, package format and documented factory variation. Preserve evidence, photograph before handling and avoid turning one visual clue into a definitive authenticity claim.

4. Packaging can be replaced

Packaging can be replaced should be evaluated against the exact category, era, package format and documented factory variation. Preserve evidence, photograph before handling and avoid turning one visual clue into a definitive authenticity claim.

5. Ask for provenance

Ask for provenance should be evaluated against the exact category, era, package format and documented factory variation. Preserve evidence, photograph before handling and avoid turning one visual clue into a definitive authenticity claim.

Preservation rule: Do not open, peel, puncture, heat, rewrap, flatten or chemically treat packaging to test authenticity or improve appearance.

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