Photo 1 of USA 1981 BENEFITTING MANKIND 18C STAMP BLOCK OF 8 (3)

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Photo 1 of USA 1981 BENEFITTING MANKIND 18C STAMP BLOCK OF 8 (3)Photo 2 of USA 1981 BENEFITTING MANKIND 18C STAMP BLOCK OF 8 (3)Photo 3 of USA 1981 BENEFITTING MANKIND 18C STAMP BLOCK OF 8 (3)Photo 4 of USA 1981 BENEFITTING MANKIND 18C STAMP BLOCK OF 8 (3)