The 7c Myrtle Green Transportation Stamp of the 1967-1973 Centennial Issue
Today's post deals with the shortest-lived of the stamps of this fascinating issue: the 7c emerald green transportation stamp. The issuance of this stamp was brought about because of an increase to the first class letter rate on June 30, 1971, from 6 cents to 7 cents. This rate would again be increased to 8 cents on December 30, 1971, so that this stamp had a life of exactly 6 months. The design of the stamp was similar to the earlier 6c stamps, except that a network of fine vertical lines was added to the design, creating a very dark effect. This stamp was issued both untagged and Winnipeg tagged in sheet form, and all of the sheet stamps known were issued with dextrose gum only. Three booklets: a 25c booklet (BK66), an experimental 50c booklet (BK68) and a $1 booklet (BK67) were issued with this stamp as one of the stamps in the booklet. The stamps from the 25c and 50c booklets are the only examples of this stamp known with PVA gum. The sheet stamps were printed from 2 plate