385. Auktion

Huygens cards: Serie A:  postcard 5 c. , complete series of 7 cards, all used, 2 with special olympic cancel (one with small photo of visitors with olympic flag), one with additional franking to the US. A very rare set (Geuzendam OL9-15)

Huygens cards: Serie B:  postcard 5 c. with text printed in black and without series number, used from "BREDA 19.XI.1928" to Cologne and re-directed to Breda. A very rare card (Geuzendam OL17)

Serie C.1, proof in black with "PROEFMODEL" at top, very fine and fresh, very scarce

Serie C.1, proof in black with "PROEFMODEL" at top, very fine and fresh, very scarce

Huygens cards: Serie D.1, proof in black with "PROEFMODEL" at top, tiny natural inclusion, very fine and fresh, very scarce

Serie E.1, proof in black with "PROEFMODEL" at top, very fine and fresh, very scarce

Huygens cards: Serie F: 7½ c., proof in black, fine and rare

Serie F: postcard 3 c. 'boxing', with additional franking olympic issue 2 c., used from "S'GRAVENHAGE 23.IV.28" to Buitenzorg, Dutch East Indies, with arrival mark on front, very fine and scarce (Geuzendam OL24)

Serie F: postcard 3 c. 'swimming', used with olympic slogan machine cancel "AMSTERDAM 31.V.1928", tiny staining, still very fine and scarce (Geuzendam OL25)