on piece Variety SURCHARGE TREBLE, the unique strip of three, types I-III, each stamp with the variety, on piece, cancelled by c.d.s. (31.3), centre stamp has a small surface scuff at top right, otherwise extremely fine and without doubt one of the major items of Mafeking philately, and one of the highlights of this collection. B.P.A. Certificate (1993). S.G. 11b, #36,000+. Photo in colour