Signed document value calculator

Price signed letters, checks, contracts, programs, and official documents by pairing signer demand with authentication, condition, provenance, personalization, and comparable marketplace evidence.

What to check before valuing this item

Document the full page, signature area, back, folds, watermarks, and date.
Match signer, ink, role, and document context to the claimed period.
Use auction archives or specialists for scarce historical material.

Comp-search caution

Copies, secretary signatures, autopen, and mismatched ink-era stories need extra scrutiny.

Run a signed document value check

Prefill the checker for signed document, then adjust the signer, authentication, condition, provenance, and sale goal before researching comps.

Prefilled guide CTA

Check signed document Authenticated example No paperwork