Lithographed 5 c. red-brown, vertical block of six with watermark inverted, just cut into at left and bottom right, otherwise mostly good margins, cancelled with 6-bar target.Very fine and very rare; just one further block of six of this stamp has been recorded and only one larger block exists. Certificate Moorhouse (2008) (Scott7a)
Provenance: Joaquin Galvez (62. Corinphila auction., 1979) Provenance: Joseph Hackmey (236. Corinphila sale, 2019)
