United States #C128 50¢ Air Post - Harriet Quimby, Pioneer Pilot Mint Plate Block
Mint condition, never hinged.
1991 50¢ Air Post - Harriet Quimby Mint Plate Block
$8.00
1991 50¢ Air Post - Harriet Quimby Mint Sheet
United States #C128 50¢ Air Post - Harriet Quimby, Pioneer Pilot Mint Sheet of 50 Mint condition, never hinged.
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1991 50¢ Air Post - Harriet Quimby Mint Single
United States #C128 50¢ Air Post - Harriet Quimby, Pioneer Pilot Mint Single Mint condition, never hinged.
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1993 50¢ Air Post - Harriet Quimby Reissue (Bullseye Perf) Mint Plate Block
United States #C128 50¢ Air Post - Harriet Quimby, Pioneer Pilot Reissue (Bullseye Perf) Mint Plate Block Mint condition, never hinged.
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1991 50¢ Air Post - Antarctic Treaty Anniversary Mint Plate Block
United States #C130 50¢ Air Post - Antarctic Treaty 30th Anniversary Mint Plate Block Mint condition, never hinged.
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1991 50¢ Air Post - Americas Issue (Bering Strait) Mint Plate Block
United States #C131 50¢ Air Post - Americas Issue (Bering Strait) Mint Plate Block Mint condition, never hinged.
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