Object Details
- Description
- bottom margin plate block of six 50-cent air mail stamps; plate number 21628
- Data Source
- National Postal Museum
- Date
- 1937
- Medium
- paper; ink (carmine); gummed
- Dimensions
- Height x Width: 3 x 4 3/4 in. (7.62 x 12.07 cm)
- Type
- Postage Stamps
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