SWAZILAND 1977 (VARIETY) 50C REVENUE OFFSET ON GUMMED SIDE
50c Grey-Brown revenue single (fifth issue), perf 14 x 14, spiral block CA watermark, with distinct offset on gummed side. Scarce. One pane of 50 affected (plate 1A, number 07143). Fresh and fine. Mint never hinged. BF129var