Losnr. 533 - 309.-320. Auktion
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Losnr. : 533 Bolivien
1924 (Dec.): Aviation School air post proof collection including 23 die and plate proofs of the vignette and frame with dies in various states of completion as produced by the Perkins, Bacon & Co. of London, starting with two combination proofs of center vignette with both planes that were used in this series, includes a finished combination proof, another with one finished plus individual proofs of each, the frame dies include proofs from the beginning as it was just starting to be developed, includes various without value plus all completed frames for the seven values in the issued colors, also several die proofs with the vignette inserted in various states of the frame, mostly of the 10c value including two with the vignette not used on that value, also a very few plate proofs including a block of nine of the 5B value in green and black, fine-very fine and a wonderful production study of this popular first air mail series. Ex collection Jaime Ortiz-Patiño.rnAusruf : 2.000 CHFZuschlag : 3.600 CHF