MONACO (1990) Pierrot writing at desk*. Full pane of 30 trial color proofs. Scott No 1729, Yvert No 1738. Engraved by Slania.
AVAILABLE AT $475
FRANCE (1953) Hermani*. Trial color proof. French Theatre. Scott No 691, Yvert No 958. Hard to find!
AVAILABLE AT $20
MONACO (1973) Moliere*. Trial color proof pair. Scott No 868, Yvert No 919.
AVAILABLE AT $25
MONACO (1988) Pierre Carlet de Chambrian de Marivaux*. Trial color proof strip of 5. Scott No 1648, Yvert No 1656.
AVAILABLE AT $75
NIGER (1970) Audio-Visual Pavilion*. Trial color proofs in strip of 5 with multicolor. National Museum. Scott No 224, Yvert No 229.
AVAILABLE AT $50
LAOS (1959) Dancers*. Musician*. Trial color proofs in strip of 5. Scott No 56, Yvert No 59.
AVAILABLE AT $75