SAINT VINCENT 1973 (VARIETY) 4C SOUFRIÈRE BIRD BLOCK WITH 'U' FLAW, GLAZED PAPER
4c Soufrière Bird block x 9 on glazed paper with top right stamp affected by spur on 'u' of 'Soufrière' flaw. Fresh and fine. Mint never hinged. SG363var; SC283avar
Note: the spur on 'u' flaw occurs on column 3, row 3 of plate 1A panes