1999 Flag PSE with blue color omitted in error. Tagging bar is present AT LEFT of design. Small part of yellow pole is present on front. Note the shifted embossing and faint red 33, wrapped around to the backside. Blue on reverse is also omitted. Shown with normal envelope which is included. MNH, Flap with full gum and never stuck. This blue omitted PSE (with tagging bar left of design) is not listed in Scott specialized. New find?