AFARS & ISSAS (1969) High Commissioner Palace*. Full sheet of 25 trial color proofs. Scott No 330, Yvert No 348.
AVAILABLE AT $325
FRANCE (1980) Chateau Maintenon*. Trial color proof strip of 5. Scott No 1704, Yvert No 2082.
AVAILABLE AT $80
FRANCE (1981) Fort Saint-Elme, Malta*. Trail color proofs in strip of 5. UNESCO site. Scott No 2O27, Yvert No SE70.
AVAILABLE AT $80
MONACO (1966) Monaco palace*. Trial color proof block of 4. Scott No 622, Yvert No 681.
AVAILABLE AT $40
MONACO (1991) Prince's palace*. Full pane of 30 trial color proofs. Scott No 1753, Yvert No 1768. Engraved by Slania.
AVAILABLE AT $400
FRANCE (1957) Elysee Palace*. Trial color proof corner pair. Scott No 851, Yvert No 1126.
AVAILABLE AT $25
MONACO (1956) Monaco palace*. Trial color proofs in strip of 5. Scott No 358, Yvert No 458.
AVAILABLE AT $80