Robert Watts postage stamps, 1963-1964

Three sheets of artists' postage stamps by Robert Watts. All 26.5 x 21 cm, offset on gummed and perforated white paper.

Includes: (1) Yamflug 5-5 / 25 W070630, 1963, 100 stamps, printed in dark blue. Small tear along perforation line on bottom row, stamps are intact. (2) Yamflug 5-5 / 25 W070630, 1963, 100 stamps, printed in red. Missing one stamp from the second row, with a clean break along the perforation line on the top row. (3) Fluxpost 17-17 / DIY12W70640, 1964. Sheet of 100 postage stamps, printed in black. Very good copy.