BELGIUM (1970) Mason*. Maximum card with First Day cancel. Sculpture by George Minnes. Scott No 792, Yvert No 1554. Attractive!
AVAILABLE AT $5
GERMANY (1983) Light-Space Modulator*. Maximum card with thematic cancel. Scott No 1387, Yvert No 996. Gropius centenary - founder of Bauhaus movement.
AVAILABLE AT $10