Early 20th Century

37 entries

US Inverted Jenny

Airmail1918

The most famous US stamp error. A 24 cent airmail stamp featuring a Curtiss JN-4 biplane printed ups...

Canadian Bluenose

Commemorative1929

A 50 cent stamp featuring the schooner Bluenose, a legendary Canadian fishing and racing vessel. The...

UK Seahorses

High Value1913

A series of high value UK stamps featuring Britannia standing in a chariot drawn by three seahorses....

UK PUC Pound

High Value1929

The 1 pound stamp issued for the 1929 Postal Union Congress in London. Featured a profile of Saint G...

Australian Kangaroo

Definitive1913

The first national stamp of Australia, featuring a kangaroo on a map of the continent. The design wa...

Australian First Issue

Commemorative1911

A stamp design competition held in 1911 attracted over 1,000 entries for the first Australian Common...

New Zealand Health Stamp

Semi-Postal1929

New Zealand pioneered health stamps, which carried a surcharge for childrens health camps. The first...

US Pan-American

Commemorative1901

A set of 6 stamps for the 1901 Pan-American Exposition in Buffalo. Featured modern transportation in...

US Zeppelin Issues

Airmail1930

A set of three airmail stamps issued for the Graf Zeppelin flight to South America and back. The 65 ...

German inflation stamp

Definitive1923

Stamps issued during the Weimar hyperinflation of 1923. As prices doubled every days, stamp denomina...

French Peace and Commerce

Definitive1938

A series of French stamps featuring allegorical figures of Peace and Commerce. Designed by Pierre Ga...

French Red Cross

Semi-Postal1914

French semi postal stamps with a surcharge for the Red Cross. First issued during World War I. Featu...

Soviet Lenin Stamps

Commemorative1924

Stamps featuring Vladimir Lenin appeared immediately after his death in 1924. Over 500 Lenin stamps ...

Vatican Stamps

Definitive1929

The first Vatican City stamps were issued in 1929 following the Lateran Treaty that established Vati...

US 1902 Series

Definitive1902

A definitive series featuring prominent Americans including Benjamin Franklin, George Washington, an...

US Washington Franklin Series

Definitive1908

A long running definitive series from 1908 to 1922 featuring only Washington and Franklin in various...

US Harding Memorial

Commemorative1923

A 2 cent stamp honoring President Warren G. Harding who died in office in 1923. The stamp was rushed...

US Kansas Nebraska Overprints

Definitive1929

Stamps overprinted Kans. or Nebr. to deter postage theft in those states. Post offices in Kansas and...

US National Parks

Commemorative1934

A set of 10 stamps featuring National Parks including Yosemite, Yellowstone, Grand Canyon, and Acadi...

US 1938 Presidential Series

Definitive1938

A definitive series featuring all 29 US presidents from Washington through Hoover in order of their ...

UK Edward VIII

Definitive1936

The definitive stamps of King Edward VIII, issued during his brief 325 day reign in 1936. Featured a...

UK George VI

Definitive1937

The definitive stamps of King George VI, issued after his coronation in 1937. Featured three quarter...

Australia Stamp Week

Commemorative1927

Australia issued its first commemorative stamps for the opening of Parliament House in Canberra in 1...

Australian Koala

Commemorative1930

A stamp featuring the koala, one of the most iconic Australian animals. The koala appeared on numero...

Canada Diamond Jubilee

Commemorative1927

A set of stamps commemorating the 60th anniversary of Canadian Confederation. Featured scenes from C...

Canada Royal Visit

Commemorative1939

Stamps commemorating the 1939 royal visit of King George VI and Queen Elizabeth to Canada. The first...

South Africa Definitive Series

Definitive1926

South Africa issued its first national stamps in 1910 after the Union of South Africa was formed. Th...

Rhodesia Double Head

Definitive1910

A definitive series of Rhodesia featuring double portraits of King George V and Queen Mary. Printed ...

Irish First Issue

Definitive1922

The first stamps of independent Ireland, issued in 1922 after independence from Britain. Featured Ir...

Irish Celtic Series

Definitive1923

A definitive series based on designs from the Book of Kells and other Celtic manuscripts. The Celtic...

Czechoslovak Hradcany

Definitive1918

The first stamps of independent Czechoslovakia, featuring Hradcany Castle in Prague. Designed by Alp...

Russian Romanov Dynasty

Commemorative1913

A set of 17 stamps commemorating the 300th anniversary of the Romanov dynasty. Featured portraits of...

RSFSR First Issue

Definitive1921

The first stamps of Soviet Russia, issued in 1921. Featured the hammer and sickle emblem of the Sovi...

Liechtenstein Stamps

Definitive1912

Liechtenstein has issued stamps since 1912 and stamp sales are a major source of government revenue....

Turkey Republic Issue

Definitive1923

The first stamps of the Republic of Turkey, issued after the abolition of the Ottoman Sultanate in 1...

US 1922 Series

Definitive1922

A definitive series featuring portraits of presidents and other notable Americans. The designs were ...

US Prexie Detail

Definitive1938

The Presidential series is affectionately called Prexies by collectors. All 29 presidents through Ho...