Ecuador Die Proofs Selection, 1910s/40s, 44 proofs on card or india mounted on card (some with acetate overlay), mostly 1930s/40s includes some vignette proofs as Antonio Borrero (used in 1s value 1911/28 issue), also 1938 US Constitution unfinished die proofs in black (2 different);.1939 Bolivarian Games assortment, 1942 Alfaro group of eight incl couple vignette proofs, 1946 Pan Am Highway incl airmail issue in blue with blank denomination tablets; C8-12, CO4 (without overprint); etc., some minor faults with most fresh and F-VF (Image)

CV. 500