1889-90 2d Olive-bistre Perf 12½ vertical pair, the lower stamp with 'S' of overprint omitted, and with a light reversed 'waz' alongside the beginning of the overprint line. Small part o.g., with upper stamp thinned, and the variety with a few short perfs and traces of creasing, but an unusual and uncatalogued variety, SG 5 var. 1974 BPA Cert