7-1, WX1, 1907 U.S. Red Cross Christmas Seal, Type 1, F, No Gum, reverse of seal

7-1, WX1, 1907 U.S. Red Cross Christmas Seal, Type 1, F, Full Gum, reverse of seal
1907 US Christmas Seal, F, GUM
1907 U.S Christmas Seal, F, NG
1907 U.S Christmas Seal, F, NG