Available Seals 1922 US Christmas Seal, perforation 12 1/2, square broken gum Seal $0.75 1922 US Christmas Seal, perforation 12 1/2, vertical broken gum Seal $2.00 1922 US Christmas Seal, perforation 12, smooth gum Seal $2.00 1922 US Christmas Seal, perforation 12, square broken gum Seal $2.00 1938 US Christmas Seal deluxe pane Seal $2.50 1938 US Christmas Seal portrait block set Seal $1.00