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common1945-1980
U.S. Air Mail Stamps (11¢ & 13¢) by George Vander Sluis
United States · 1971 · 11¢, 13¢
Two U.S. Air Mail stamps, 11¢ and 13¢, featuring a stylized airplane in flight. The 11¢ stamp is blue, and the 13¢ stamp is red.
Issued in 1971, these stamps likely reflect updated postal rates for airmail services in the United States, designed by George Vander Sluis.
Image: George Vander Sluis · License: Public domain
Estimated Values by Condition
Superb(S)
$2Perfectly centered, fresh, no faults
Extremely Fine(XF)
$1.04Well centered, fresh colors
Very Fine(VF)
$0.75Nicely centered, minor flaws
Fine(F)
$0.5Average centering, acceptable
Good(G)
$0.21Off-center or visible wear
Prices are approximate market estimates for educational purposes. Actual values depend on specific factors including cancel type, margins, and provenance.
