Canal Zone October 1921 1c Vallarino Postal Card (#UX5/UPSS#S12) with 1922 SEMI-OFFICIAL CHRISTMAS GREETINGS (Design type J) printed on back by the Supply Dept. of the Canal Zone Commission at Mt. Hope, and sold through the commissary stores (UPSS #CS12). Unused, Fresh & VF-XF. Very slight discoloration (barely noticable) on address side from set-off of printed greeting. Rare & Desirable Greeting Card in Excellent condition! UPSS value $1500.00+.