Lot 50100 – Spain – 1850 First Issue, the astonishing assembly made up of 57 items

Spain – 1850 First Issue, the astonishing assembly made up of 57 items, including 10r two negative glass cliches in greyish blu, one with hand painted purple around, four glass clichés with the best result being obtained in two examples in vermilion shades as indeed this was the colour which got excellent contrasts, one dated January 1933, two clichés on celluloid classified as A & b produced in 1939 and 1940 in the preferred colours by Sperati for contrasts, vermilion and black (greyish), trial exposure on photographic paper (in this case for the 6r), continuing with the 10r in 12 essays on wove paper with interesting annotations and of which three composed of two examples (two in contrasting colours), two finished reproductions including one on piece; the rest of the lot is devoted to cancellations with abundant essays on paper, three clichés on celluloid and interesting cutouts from genuine covers to retain Baeza cancellations on cellophane. An extraordinary and unique group (only one cliché was included in the « Ultimate » collection).