Coat of Arms, Paraguay

The Great Seal of Paraguay

Coat of Arms, Paraguay

Coat of Arms, Peru

The Great Seal of Peru

Coat of Arms, Peru

Peru Stamp (1 peseta) from 1862-1872

Peru Una Peseta Stamp, 1862-1872

Peru Stamp (1 peseta) from 1862-1872

Peru Stamp (20 centavos) from 1866-1867

Peru Veinte Centavos Stamp, 1866-1867

Peru Stamp (20 centavos) from 1866-1867

Peru Stamp (5 centavos) from 1871

Peru Cinco Centavos Stamp, 1871

Peru Stamp (5 centavos) from 1871

Peru Stamp (10 centavos) from 1885

Peru Diez Centavos Stamp, 1885

Peru Stamp (10 centavos) from 1885

Coat of Arms, Bolivia

The Great Seal of Bolivia

Coat of Arms, Bolivia

Bolivia Stamp (50 centavos) from 1867

Bolivia 50 Centavos Stamp, 1867

Bolivia Stamp (50 centavos) from 1867

Bolivia Stamp (5 centavos) from 1876

Bolivia Cinco Centavos Stamp, 1876

Bolivia Stamp (5 centavos) from 1876

Bolivia Stamp (1 centavo) from 1887

Bolivia Un Centavo Stamp, 1887

Bolivia Stamp (1 centavo) from 1887

Bolivia Envelope (10 C) from 1878

Bolivia 10 C Envelope, 1878

Bolivia Envelope (10 C) from 1878

Coat of Arms, British Guiana, British Guiana (also spelled Guyana) was the name of the British colony on the northern coast of South America, since 1966 known as the independent nation of Guyana.

The Great Seal of British Guiana

Coat of Arms, British Guiana, British Guiana (also spelled Guyana) was the name of the British colony…

British Guiana Stamp (1 cent) from 1862. British Guiana (also spelled Guyana) was the name of the British colony on the northern coast of South America, since 1966 known as the independent nation of Guyana.

British Guiana One Cent Stamp, 1862

British Guiana Stamp (1 cent) from 1862. British Guiana (also spelled Guyana) was the name of the British…

British Guiana Stamp (6 cents) from 1863. British Guiana (also spelled Guyana) was the name of the British colony on the northern coast of South America, since 1966 known as the independent nation of Guyana.

British Guiana VI Cents Stamp, 1863

British Guiana Stamp (6 cents) from 1863. British Guiana (also spelled Guyana) was the name of the British…

British Guiana Stamp (2 cents) from 1889. British Guiana (also spelled Guyana) was the name of the British colony on the northern coast of South America, since 1966 known as the independent nation of Guyana.

British Guiana 2 Cents Stamp, 1889

British Guiana Stamp (2 cents) from 1889. British Guiana (also spelled Guyana) was the name of the British…

New York City Stamp (3 cent) from 1842. This stamp was acknowledged and ordered by the United States Government, but was issued by and at the expense of the Postmaster of New York City, New York.

New York City Three Cent Stamp, 1842

New York City Stamp (3 cent) from 1842. This stamp was acknowledged and ordered by the United States…

Providence Stamp (10 cent) from 1846. This stamp was acknowledged by the United States Government, but was issued by and at the expense of the Postmaster of Providence, Rhode Island.

Providence Ten Cent Stamp, 1846

Providence Stamp (10 cent) from 1846. This stamp was acknowledged by the United States Government, but…

Carriers' Stamp (1 cent) from 1849

Carriers' One Cent Stamp, 1849

Carriers' Stamp (1 cent) from 1849

Virginia Confederacy Envelope (5 cent) from 1861

Virginia Confederacy Five Cent Envelope, 1861

Virginia Confederacy Envelope (5 cent) from 1861

Tennessee Confederacy Stamp (5 cent) from 1861

Tennessee Confederacy Five Cent Stamp, 1861

Tennessee Confederacy Stamp (5 cent) from 1861

Louisiana Confederacy Stamp (5 cent) from 1861

Louisiana Confederacy Five Cent Stamp, 1861

Louisiana Confederacy Stamp (5 cent) from 1861

Virginia Confederacy Stamp (5 cent) from 1861

Virginia Confederacy Five Cent Stamp, 1861

Virginia Confederacy Stamp (5 cent) from 1861

Confederacy Stamp (1 cent) from 1863-1864

Confederacy One Cent Stamp, 1863-1864

Confederacy Stamp (1 cent) from 1863-1864

Hawaiian Island Stamp (13 cents) from 1851-1852

Hawaiian Island 13 Cents Stamp, 1851-1852

Hawaiian Island Stamp (13 cents) from 1851-1852

Hawaiian Island Stamp (2 cent) from 1862

Hawaiian Island 2 Cent Stamp, 1862

Hawaiian Island Stamp (2 cent) from 1862

Hawaiian Island Stamp (25 cent) from 1883-1884

Hawaiian Island 25 Cent Stamp, 1883-1884

Hawaiian Island Stamp (25 cent) from 1883-1884

Hawaiian Island Envelope (1 cent) from 1884

Hawaiian Island Envelope 1 Cent, 1884

Hawaiian Island Envelope (1 cent) from 1884

Porto Rico Stamp (1/2 mila de peso) from 1882

Porto Rico 1/2 Mila de Peso Stamp, 1882

Porto Rico Stamp (1/2 mila de peso) from 1882

United States Telegraph Stamp (value unknown) from 1870

United States Telegraph Stamp Unknown Value, 1870

United States Telegraph Stamp (value unknown) from 1870

United States Telegraph Stamp (25 cents) from 1885

United StatesTelegraph Stamp 25 Cents, 1885

United States Telegraph Stamp (25 cents) from 1885

United States Telegraph Stamp (1 message of 20 words) from 1892

United States Telegraph Stamp One Message of 20 Words, 1892

United States Telegraph Stamp (1 message of 20 words) from 1892

United States Telegraph Stamp (5 cents) from 1888

United States Telegraph Stamp 5 Cents, 1888

United States Telegraph Stamp (5 cents) from 1888

Coat of Arms, Uruguay

The Great Seal of Uruguay

Coat of Arms, Uruguay

Uruguay Stamp (.06 centesimos) from 1864

Uruguay .06 Centesimos Stamp, 1864

Uruguay Stamp (.06 centesimos) from 1864

Uruguay Stamp (2 centesimos) from 1883

Uruguay Dos Centesimos Stamp, 1883

Uruguay Stamp (2 centesimos) from 1883

Uruguay Stamp (5 centesimos) from 1884

Uruguay Cincocent Stamp, 1884

Uruguay Stamp (5 centesimos) from 1884

Uruguay Stamp (7 centesimos) from 1884-1886

Uruguay 7 Centesimos Stamp, 1884-1886

Uruguay Stamp (7 centesimos) from 1884-1886

Uruguay Stamp (2 centesimos) from 1889-1890

Uruguay 2 Centesimos Stamp, 1889-1890

Uruguay Stamp (2 centesimos) from 1889-1890

Uruguay Stamp (7 centesimos) from 1889-1890

Uruguay 7 Centesimos Stamp, 1889-1890

Uruguay Stamp (7 centesimos) from 1889-1890

Uruguay Envelope (5 centesimos) from 1881

Uruguay 5 Centesimos Envelope, 1881

Uruguay Envelope (5 centesimos) from 1881

United States Flag, 23-stars, 1820-1822 Alabama and Maine were added as states in 1820, two stars were added to the flag, which increased the number of stars to 23. Thirteen stripes represent the thirteen original colonies. There is rumored to have been a 23-star flag with the stars arranged in the shape of one large star; however, there are no surviving copies.

United States Flag, 23 stars

United States Flag, 23-stars, 1820-1822 Alabama and Maine were added as states in 1820, two stars were…

Coat of Arms of the United States first appeared publicly in 1782.

The Great Seal of the United States

Coat of Arms of the United States first appeared publicly in 1782.

Coat of Arms, Venezuela

The Great Seal of Venezuela

Coat of Arms, Venezuela

Venezuela Stamp (1/4 centavo) from 1861

Venezuela Cuarto Centavo Stamp, 1861

Venezuela Stamp (1/4 centavo) from 1861

Venezuela Stamp (1 centesimo) from 1879

Venezuela 1 Centesimo Stamp, 1879

Venezuela Stamp (1 centesimo) from 1879

Venezuela Stamp (1 bolivar) from 1893

Venezuela 1 Bolivar Stamp, 1893

Venezuela Stamp (1 bolivar) from 1893

Venezuela Stamp (25 centimos) from 1893

Venezuela Veinticinco Centimos Stamp, 1893

Venezuela Stamp (25 centimos) from 1893

Venezuela Revenue Stamp (1 centavo) from 1867

Venezuela Un Centavo Revenue Stamp, 1867

Venezuela Revenue Stamp (1 centavo) from 1867

Venezuela Stamp (2 reales) from 1869

Venezuela 2 Reales Stamp, 1869

Venezuela Stamp (2 reales) from 1869

"To illustrate the revolution of the earth around the sun. The shaded portion represents night. The end of the axis around which the earth rotates is the point where the lines come together." -Tarr, 1910

Seasons

"To illustrate the revolution of the earth around the sun. The shaded portion represents night. The…

"Lepidosiren showing (Pc.f.) pectoral fin and the tufted pelvic fin (Pv.f.) of the mature male." -Thomson, 1916

South American Lungfish

"Lepidosiren showing (Pc.f.) pectoral fin and the tufted pelvic fin (Pv.f.) of the mature male." -Thomson,…

"Larva of Lepidosiren." -Thomson, 1916

South American Lungfish Larva

"Larva of Lepidosiren." -Thomson, 1916

The American goldfinch or Spinus tristis.

American Goldfinch

The American goldfinch or Spinus tristis.

A patriotic parade of children marching and riding horses.

Parade

A patriotic parade of children marching and riding horses.

A Native American father and his son find a pony while hiking near the mountains.

Native Americans with Pony

A Native American father and his son find a pony while hiking near the mountains.

A decorative doodad with feather arrows, a bow, and leaves.

Native American Doodad

A decorative doodad with feather arrows, a bow, and leaves.

Of the Primrose family (Primulaceae), the shooting star (Dodecatheon Meadia).

Shooting Star

Of the Primrose family (Primulaceae), the shooting star (Dodecatheon Meadia).

Of the Mint family (Labiatae), the lower leaf of the cut-leaved water horehound (Lycopus americanus).

Cut-Leaved Water Horehound Leaf

Of the Mint family (Labiatae), the lower leaf of the cut-leaved water horehound (Lycopus americanus).

Of the Mint family (Labiatae), the American pennyroyal (Hedeoma pulegioides).

American Pennyroyal

Of the Mint family (Labiatae), the American pennyroyal (Hedeoma pulegioides).

Of the Figwort family (Scrophulariaceae), the American brooklime (Veronica americana).

American Brooklime

Of the Figwort family (Scrophulariaceae), the American brooklime (Veronica americana).