b'69ex 389 ex 390389P Religion - Proofs: El Salvador 1964 Eucharistic Congress Issue: Courvoisiers original colour separations, colour trials & unadopted completed designs, all imperforate & affixed to the official Archival album pages [#776 & 777] dated 27/12/1963. The issued stamps incorporated most elements of the Courvoisier proposal. Unique and important. Ex Courvoisier Archives. (24 items)$600800390P Religion - Proofs: Venezuela 1952-53 Virgin of Coromoto Issue, Courvoisiers original colour trials, colour separations and complete designs, all imperforate & affixed to the official Archival album pages [#126, 127, 128, 129, 130, & 131] dated 15/7/1952. Unique and important. Ex Courvoisier Archives. (54 items).$2,5003,000ex 391 392391P Scenes & Landscapes - Proofs: El Salvador 1952-53 (re. Scott 652-73 & C151-65) The 1954 Pictorial Definitive & Airmail Series: Courvoisiers original colour separations, unadopted designs, denominations and trial printings, all imperforate and affixed to the official Archival album pages [#134,154,155,156,175,176,177,178,179,180 & 181]. These unique examples illustrate work done on all the original denominations and include examples of unadopted colours and formats. As well as design development and changes in the shape, size and style of lettering, the colour experimentation is also vividly and beautifully illustrated. Absolutely complete, unique and the definitive material for an exhibit on these magnificent issues (130 items) $1,5002,000'