Lot 10667 – BERLIN: Olympic Festival series group incl. black photographic proof imperf on official card

BERLIN: Olympic Festival series group incl. black photographic proof imperf on official card with hs of “Bundesdrückerei Berlin”, mint nh set in blocks of four, 10 pfg in MIRROR print, 10c colour proof in BLUE (gummed + watermarked), registered cover with set in pairs and pre-Olympic cancel and 4 pfg on card with DLV pre Olympic cancel (Mi.88-90)