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- 3c Michigan Centenary plate proof
3c Michigan Centenary plate proof
Object Details
- Description
- Certified plate proofs are the last printed proof of the plate before printing the stamps at the Bureau of Engraving and Printing. These plate proofs are each unique, with the approval signatures and date. For postal scholars these plates provide important production information in the plate margin inscriptions, including guidelines, plate numbers, and initials of the siderographer, or person who created the plate from a transfer roll.
- Plate No.21467
- Denomination: 3c
- Subject: Michigan State Seal, Michigan Centenary Issue
- Color: purple
- Data Source
- National Postal Museum
- Date
- October 22, 1935
- Object number
- 0.242263.3014
- Printer
- Bureau of Engraving and Printing
- Type
- Bureau Plate Proofs
- Medium
- paper; ink (purple) / engraving
- Place
- United States of America
- See more items in
- National Postal Museum Collection
- Title
- Scott Catalogue USA 775
- Record ID
- npm_0.242263.3014
- Usage
- Not determined
