OBVERSE

Published July 16, 2015 at 3283 × 2885 in OBVERSE
The world's rarest postage stamp, the 1856 British Guiana One-Cent Magenta is on view at the National Postal Museum.

The world’s rarest postage stamp, the 1856 British Guiana One-Cent Magenta is on view at the National Postal Museum.

The world’s rarest postage stamp, the 1856 British Guiana One-Cent Magenta is on view at the National Postal Museum.

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