This mint sheet of seven stamps, issued by the United States Postal Service on March 29, 2001, commemorates the 100th anniversary of the 1901 Pan-American Exposition (Buffalo, New York). A set of five commemorative stamps were issued in 1901 to commemorate the Exposition; a very small quantity of the three of the stamps were issued with their centers (vignettes) inverted (rare and valuable today). This "centenary" sheet reproduces these inverts. Scott Cat.# 3505

This mint U.S. stamp was issued on August 2, 1969, to mark the 150th anniversary of the entry of Alabama into the Union. ("Alabama Statehood issue"). The design features camellias and a yellow-shafted flicker. Scott Cat.# 1375.

Issued on December 5, 1947, this mint stamp commemorated the December 6, 1947, dedication of Everglades National Park. The park, containing more than a million acres of subtropical land in southern Florida, is rich in watercourses and bird life. The stamp design features a Great White Heron and map of Florida. Scott Cat.# 952

The United States Postal Service promoted its sponsorship of the 1992 U.S. Olympic team with this attractive mint priority mail stamp. The stamp features a bald eagle and Olympic rings against a black background. This high face value stamp met the priority mail rate for second-day delivery of packages weighing up to two pounds. The 1992 Summer Olympic Games were held in Barcelona, Spain. Scott Cat.# 2540

The United States Postal Service promoted its sponsorship of the 1992 U.S. Olympic team with this high face value "international express mail stamp" issue. The stamp was released on Aug. 31, 1991. The $14.00 face value of this stamp met the rate for express delivery of mail weighing up to eight ounces to any of 109 countries. The attractive design features the Olympic Rings and a Bald Eagle flying over a shoreline. The 1992 Summer Olympic Games were held in Barcelona, Spain. Scott Cat.# 2542

Each of these three mint stamps was issued during 1956 to promote the protection of wildlife. This attractively engraved set includes a Pronghorn Antelope buck and two does, a King Salmon migrating to a spawning grown, and a Wild Turkey. Scott Cat.# 1077-1079

Issued on June 26, 1981, this attached block of four mint stamps promoted the preservation of American wetland, grassland, mountain, and woodland habitats of our native birds and mammals. The animals featured on the stamps are the Blue Heron, Badger, Grizzly Bear, and Ruffed Grouse. Scott Cat.# 1921-1924 (1924a)

This small-sized stamp (19mm x 23mm; the above image is an enlargement) was issued in a booklet format on January 8, 1982. The featured Bighorned Sheep design is the same design depicted on one of the 1981 wildlife booklet stamps (see item# USW9), though the color has been changed to blue for this issue. Scott Cat.# 1949

This mint stamp was issued on July 2, 1984, to commemorate the 50th anniversary of the Migratory Bird Hunting and Conservation Stamp Act. The Stamp Act was enacted in 1934 in response to a proposal by conservationist Jay Norwood ("Ding") Darling that waterfowl hunters should be required to purchase a federal revenue stamp, with the acquired funds going towards the purchase or lease of waterfowl habitats. The stamp design features Mallard Ducks dropping in. Scott Cat.# 2092

Muskellunge, Atlantic Cod, Largemouth Bass, Bluefin Tuna, and Catfish are featured on this booklet pane of five mint stamps. Issued by the United States Postal Service on March 21, 1986, this pane is popular among wildlife and fishing enthusiasts, as well as stamp collectors. Scott Cat.# 2209a (2205-2209)

Known as the "Creatures of the Sea Issue," this block of four mint stamps was issued by the United States on Oct. 3, 1990. This attractive postage stamp set paid tribute to four marine mammals; the Killer Whale, the Northern Sea Lion, the Sea Otter, and the Common Dolphin. Scott Cat.# 2508-2511 (2511a). This issue was a co-issue with Russia; see our item# WW218 for the Russian issue with the same designs (Scott# 5933-5936).

This attached pair of mint stamps from the United States features two of the world's rarest birds, the North American Whooping Crane, and the Chinese Black-Necked Crane. These attractive stamps were designed by Clarence Lee, based on illustrations by Zhan Gengxi. The first day of issue was Oct. 9, 1994. Scott Cat.# 2867-2868 (2868a)