1899, 15c Olive Green (10).
Tied by "Agana, Island of Guam Apr. 17, 1902" circular datestamp on cover to Kendall Green Mass., used with 10c Special Delivery (E1),
also tied by circular datestamp, some minor wear, Very Fine, scarce usage, the 15c on cover is $900.00 in Scott, the E1 on cover is $1,250.00
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