CHAD (1963) Ancestral mask*. Trial color proofs in strip of 5. Excavated Sao art. Scott No 91, Yvert No 89.
AVAILABLE AT $60
MONACO (1973) Mask*. Harlequin*. Clown*. Pirate*. Ladies in gowns*. Tambourine*. Scott No 869. Yvert No 927. Fifth world festival of amateur theater. Trial Color Plate Proof full sheet of 30.
AVAILABLE AT $475
MONACO (1973) Mask*. Harlequin*. Clown*. Pirate*. Ladies in gowns*. Tambourine*. Scott No 869. Yvert No 927. Fifth world festival of amateur theater. Trial Color Plate Proof Pair with multicolor. **.
AVAILABLE AT $30