NIUE (1979) Virgin & child by P. Serra. Set of 7 progressive proofs. Scott No 258, Yvert No 249.
AVAILABLE AT $100
MONACO (1968) St. Nicholas*. Trial color proof full sheet of 30. Scott No 685, Yvert No 745.
AVAILABLE AT $325
MONACO (1972) Child*. Adoration of the Magi*. Trial color proofs in strip of 5. Scott No 850, Yvert No 901.
AVAILABLE AT $100