01 / Identity
What is on file
This record identifies the documented family. It is not an authenticity opinion, appraisal, or claim that every production variation has been mapped.
- Family
- Duofold
- Maker
- Parker
- First introduced
- 1921
- Register tier
- Anchor
02 / Variants
Documented references
- Duofold Big Red
03 / Evidence
Field-level evidence
3 evidence entries are attached from 2 sources. A citation records the basis for a fact; it does not turn an incomplete historical record into certainty.
- Parker Pen Company History (opens in a new tab) Name: Duofold Timeline entry: 1921 Parker launches Duofold · accessed
- Parker Catalog, 1921–1922 (opens in a new tab) Name: Duofold Original manufacturer catalog, PDF pages 3–4: Duofold fountain pen · accessed
- Parker Pen Company History (opens in a new tab) Introduced Year: 1921 Timeline entry: 1921 · accessed
04 / Related register
More Parker folios
Continue through nearby records from the same maker. Each link opens a separate evidence folio; similarity does not establish identity.
05 / Market layer
Price history is withheld
No source is currently eligible for public price history. Collect Charts will not publish a price, median, trend, transaction count, or value estimate until the exact retention, derivative, display, and commercial rights are recorded and a separate release gate passes.
Read the rights ledger →