NORTH BORNEO-Unused Stamp (1902) Sun bear. Stamp overprinted in red. Scott No 122. MH. (ImageA)

LIBERIA-Imperforate (1906) Chimpanzee. Imperforate. Scott No O48. (ImageA)

U.S.A.-Entire (1924) Seal. Muskrat. Marmink. Raccoon. Caracul. Postal card (N) with ad printed on reverse offering fur coats from various animals including Sealine, Northern seal, Hudson seak, Jap Mink, etc. S.P. Platt, Chicago. (ImageA)

U.S.A.-Meter cancel (1940) Beaver. Red meter cancellation on piece Pitney Bowes No 169508: 'Beaver tools are workin' fools.' (ImageA)

ARGENTINA-Cancelation (1956) Department of Zoology. Violet oval handstamp of Argentina University of Tucuman on envelope franked with 5 of Scott No O48. (ImageA)

MALI-Imperforate (1965) Various animals. Set of 5 imperforate pairs. Scott Nos 67-71, Yvert Nos 71-5. (ImageA)

GERMANY-Specimen (1967) Hamster. Specimen (MUSTER) overprint. Scott No B424, Yvert No 389. (ImageA)

CHAD-Imperforate (1972) Zebra. Mandrill. Elephant. Gazelle. Hippo. Set of 5 imperforates. Scott Nos C121-5. (ImageA)

FRANCE-Deluxe proof (1974) Giant armadillo of Guyana. Deluxe sheet. Scott No 1408, Yvert No 1819. (ImageA)

EAST GERMANY-Proof (1975) Dwarf hippopotamus. Imperforate proof from the archives of the East German printers. German Zoological Gardens issue. Scott No 1634, Yvert No 1715. Only 10-20 copies exist. (ImageA)

MONGOLIA-Artwork (1977) Red panda. Unaccepted artwork for panda series. Watercolor on posterboard with acetate overlay for lettering and border. Ailurus fulgens. Measures 265 x 188 mm. (ImageA)

CHRISTMAS ISLAND-Mint Stamp (1987) Wildlife. Pane of 16 in presentation booklet. Scott Nos 196-211. (ImageA)

FRANCE-Deluxe proof (1988) Otter. Stag. Fox. Badger. Set of 4 deluxe sheets. Buffon's Natural History. Scott Nos 2123-6, Yvert Nod 2539-42. (ImageA)

FRANCE-Deluxe proof (1991) Wild animals. Set of 4 deluxe sheets. Scott No 2261-4, Yvert No 2721-4. (ImageA)

NEW CALEDONIA-Deluxe proof (1994) Panda. Kagou. Deluxe sheet of S/S. Scott No 688, Yvert No BF17. Hong Kong Exhibition. (ImageA)

PERU-Proof (2004) Marine otter (Lontra felina). Imperforate pair . Endangered species. Scott No 1382. Only 2 proof sheets exist! (ImageA)

AUSTRIA-Proof (2018) Brown bear. Black print. Four Paws animal protection society. (ImageA)

AUSTRIA-Proof (2019) Wild boar and cubs. Black print. Wildlife & hunting series. (ImageA)

GERMANY-Meter cancel (1942) Dairy. Coffee Red meter cancellation on envelope Oftra Erzeugniffe als helfer in jeben Molkerei u. kaferie-Betrieb. (ImageA)

U.S.A.-Proof (1949) Red River Ox Cart & Pioneer. Photo essay of final design issued for Indian Centennial. Measures 95 x 60 mm. Scott No 981, Yvert No 532. (ImageA)

U.S.A.-Meter cancel (1950) Milk case. Red meter cancellation on piece Pitney Bowes No 167854: 'The standard of quality, Baker Milk Cases.' (ImageA)

U.S.A.-Meter cancel (1952) Calf. Veterinary medicine. Red meter cancellation on piece Pitney Bowes No 135657: 'Sulmet saves animals.' (ImageA)

U.S.A.-Meter cancel (1952) Leather Mart. Brown (rare color!) meter cancellation on piece Pitney Bowes No 137419: '[Tulsa, Oklahoma] The Leather Mart of the Great Southwest.' (ImageA)

U.S.A.-Meter cancel (1955) Milkman* delivering bottles of milk. Red meter cancellation on cover front Pitney Bowes No 252618. (ImageA)

NEW CALEDONIA-Deluxe proof (1969) Cattleman* on horse* rounding up cattle. Deluxe sheet. Scott No C64, Yvert No PA104. (ImageA)