U.S.A. (1978) Performer in top hat and cane*. Misperforation error so that part of the next stamp in the block appears on this stamp. Scott No 1750, Yvert No 1196. Hard to find!
AVAILABLE AT $60
URUGUAY (1975) Florencio Sanchez*. Block of 10 stamps and 8 labels, imperforate between the 2 middle stamps. Scott No 922a, Yvert Nos 915-9.
AVAILABLE AT $40
URUGUAY (1975) Florencio Sanchez*. Block of 5 stamps and 4 labels, with grey color doubled and inverted! Scott No 922a, Yvert Nos 915-9.
AVAILABLE AT $40