1938 selection of six covers franked with regular United States Postage, used in combination with various arrangements of 5c, 10c, 25c and 50c Semi Official Air Post (for service between San Juan, Ponce, Guanica, Virgin and Vieques Islands), tied by mostly different datestamps and sent to England, various markings, fine-v.f. (Image)

Est.US$500

1899-1900 1c-5c stationery entire envelopes, selection of 10 different including 4c brown (U10), plus 1c wrapper, unused, fine-v.f., cat. $992 (Cat No. U2/W1) (Image)

Cat. $992, Est.US$300