b'71674674** 1979 (SG.MS2874) The Great Wall Miniature Sheet overprinted for the International Stamp Fair, Riccone. Cat.400. .$300400675675** 1979 (SG.MS2900) 2y Study Science from Childhood Miniature Sheet, superb MUH$1,0001,250676** 1979 (SG.MS2922) 2y Camelias Miniature Sheet, superb MUH. .$150200'