Philately. Mi.51, Olympic Games 100Fr, comp. of 2 stamps with production flaw of overprints: 1x inverted orange additional printing, 1x red additional printing shifted L-wards and downward (lower half added-print out of stamp); mint never hinged, interesting (Image 1) (Image 2) (Image)

Philately. 5 stamps: Mi.51 and Mi.II, Olympic Games 100Fr, with red and black additional-printing, Mi.53 and Mi.III, 500Fr with red, black and blue additional-printing; mint never hinged (Image 1) (Image 2) (Image)

Philately. Mi.102-104, Airmail 25Fr-100Fr, selection - 1x complete imperforated set, 1x complete set of horiz. pairs with omitted vertical perf, also with set of common stamps for comparison; mint never hinged (Image 1) (Image 2) (Image)