AFGHANISTAN-Imperforate (1958) UNESCO building. Set of 2 imperforate corner blocks of 4. Scott Nos 464-5, Yvert Nos 481-2. (ImageA)

LAOS-Deluxe proof (1966) UNESCO emblem. Set of 4 deluxe sheets. Scott Nos 133-6, Yvert Nos 138-41. (ImageA)

FRANCE-Trial Color Proof (1966) UNESCO. Trial color proof strip of 4. Scott No 2O7, Yvert No SE37. (ImageA)

MALI-Trial Color Proof (1966) UNESCO emblem. Stylized people. Trial color proofs in strip of 5 with multicolor. 20th anniversary. Scott No C37, Yvert No PA37. (ImageA)

IVORY COAST-Trial Color Proof (1972b) Children reading book. Trial color proofs in strip of 5 with multicolor. International Book Year. Scott No 326, Yvert No 334. (ImageA)

FRANCE-Deluxe proof (1976) Council of Europe. Set of 5 deluxe sheets. Scott Nos 2O16-20, Yvert Nos SE50-2,56-7. (ImageA)

FRANCE-Deluxe proof (1981) UNESCO sites. Set of 3 deluxe sheets. Scott Nos 2O24-6, Yvert Nos SE68-70. (ImageA)

FRANCE-Deluxe proof (1983) UNESCO sites. Set of 2 deluxe sheets. Scott Nos 2O31-2, Yvert Nos SE75-6. (ImageA)

FRANCE-Deluxe proof (1984) UNESCO sites. Set of 3 deluxe sheets. Scott Nos 2O29-31, Yvert Nos SE79-81. (ImageA)

FRANCE-Deluxe proof (1985) UNESCO sites. Set of 3 deluxe sheets. Scott Nos 2O30,33,36, Yvert Nos SE8-90. (ImageA)

FRANCE-Deluxe proof (1988) UNESCO sites. Set of 2 deluxe sheets. Scott Nos 2O41-2. Yvert Nos SE102-3. (ImageA)

FRANCE-Deluxe proof (1990) UNESCO sites. Set of 3 deluxe sheets. Scott Nos 2O21-3, Yvert Nos SE60-2. (ImageA)

FRANCE-Deluxe proof (1996) UNESCO 50th anniversary. Bloc gommé. Scott No 2545, Yvert No 3035. (ImageA)

AUSTRIA-Proof (2008) Wachau. Black print. (ImageA)

AUSTRIA-Proof (2009) Graz historic old town center. Black print. World Heritage Site. (ImageA)