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EFO stamps - Errors, freaks and oddities

This is index page for articles about EFO stamps - Errors, freaks and oddities . Please review the links below:

Small mystery from Umm-al-Quwain0
Hamburg 1864 2½ schilling in brownish khaki - genuine or not6
Hungary 1962 Birds of Prey inking EFO2
A more detailed look into anatomy of color shifts on modern postage stamps32
Lithuania 1992 Olympic stamps - perforation woes5
Soviet 50th anniv. of October revolution EFO4
Marginal notes about stamps of Italy6
Marginal notes about stamps of Spain2
Stamp misidentification made easy - a case of Canadian 50c Prairie Town Main Street stamp9
1970 Bulgaria 4 Stotinki Boats at Albena - unlisted variety and other tidbits2
A more scientific view on color variations and changelings6
Bizarre looking print variety on Serbian 1918 King Peter I and crown-prince Alexander stamp3
Guatemala Primavera 1960 color changeling4
Color variations on modern Cuban postage stamps 2
Minor variations on modern Egyptian stamps0
Print flaw on Italian Alti Valore definitive postage stamp0
Unlisted perforation variety on 1969 Dubai stamp - real or fishy? 18
Slurred printing on modern Brazilian definitive stamps6
Possible plate flaw on Brazilian 1961 Ouro Preto stamp4
Unlisted perforation variety on Afghan airmail stamp12
Some interesting Soviet stamps14
Private perforations on Czechoslovakian newspaper stamps5
Australian Fine Art stamp series high values - color variation and specimen overprint22
USA "A partridge in a pear tree stamp" - EFO or color changeling? 45
Unlisted (double) print variety on German (BRD) stamp10
The US 4c Dag Hammarskjold invert stamp error17
Minor variety on 1971 Kenya seashell stamp0
Shifted overprint on Congo (Kinshasa) stamp2
Doubled gold frame print error on Vietnamese stamp0
Hungarian 1973 3ft Tokaj definitive stamp with dark green color omitted2
1946 Hungarian stamp - color error or changeling? 4
1954 Hungary Aviators Day stamp plate flaw0
Spanish double impression stamp: double print, kiss print or simply overinked? 7
Cyprus 1993 "Mufflon" error stamp4
A swedish coil stamp mystery10
1945 China postage due stamp with double perf0
US 8c Eisenhower stamp misperf error0
1997 American Holly greeting stamp color error0
Too much sun is harmful, even for stamps0

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