366P-372P, C57P-C63P, 1938 US Constitution Anniversary, Plate proofs on india, mounted on card (65x45mm) and then on larger card (130x75mm) except for C63 96x74mm proof mounted on 139x100mm card, fresh and Very Fine (Image)

CV. 150

366P-372P, C57P-C63P, 1938 US Constitution Anniversary, Plate proofs on india, (100x75mm) mounted on card (139x101mm) with acetate overlay, each with die no above design, few small age spots, still fresh and Very Fine (Image)

CV. 100

Ecuador Die Proofs Selection, 1910s/40s, 36 mostly different proofs on card or india mounted on card (some with acetate overlay), mostly 1930s/40s includes some vignette proofs, some misc 1938 US Constitution issue including four unfinished die proofs, few 1937/46 airmail, etc., some minor faults with most fresh and F-VF (Image)

CV. 300