Sealed-collectible guide

Yellowing Plastic and Blister Bubbles

Age, UV, chemistry, storage and the limits of restoration.

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. Do not bleach sealed packages

Do not bleach sealed packages 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. Compare uniformity

Compare uniformity 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. Check brittleness

Check brittleness 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. Document before shipping

Document before shipping 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. Accept originality

Accept originality 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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