1880-1943 selection on pages, with errors and varieties incl. part perf., imperf. between, proofs and essays incl. die proofs, interesting specialist lot (Image)

Est.$1,000

1900-10 1c green, 5c dull blue (2) and 10c gray violet, four diff. blocks of four, imperf. between vertically or horizontally, first three unused without gum, fine-v.f., scarce (Cat No. 153,54,56var) (Image)

Est.$250

1900-10 1c green, vertical block of 10, imperf. horizontally, unused without gum, also a horizontal pair imperf. between, fine-v.f., scarce (Cat No. 153var) (Image)

Est.$250

1901 2c vermilion, horizontal block of 10, imperf. vertically, unused without gum, also a horizontal pair, imperf. between, fine-v.f., scarce (Cat No. 157var) (Image)

Est.$250

1924 Olympics, set of three blocks of four, each canceled "Colonia U.H. F.2/ 29 July, 1924", fine-v.f. (Cat No. 282-84) (Image)

Est.$250