SG 251a 9d Slate Purple & Ultramarine OCP M40 (-) and 255 Slate Purple and Carmine OCP M43 (-) pair in fine to very fine used condition, light backing paper adhesion to the 10d that can be safely soaked and removed on this non fugitive inked issue.

Significant savings on individual prices for those looking to assemble a full set of this early coated paper issue.