58b var (B6b var) 1915 3d on 30pf black and orange on buff Kaiser's Yacht overprinted "C.E.F." (SG Type 1), ERROR - surcharged triple, two albino in se-tenent horizontal pair with normal, rare, only 10 such pairs were printed (4 of which are in one collection), these examples are row 4, pos 5 and 6, ex-Robert Gibbs, with photocopy of the BPA certificate for a block of 24 that this is from.
