1885 (1890), 10 Sh. Victoria ultramarine on white paper with overprint error a "dot behind 'R' higher standing", centric cancellation oval cancel "account ast P. O. Glasgow 3 OC 94", very well perforated, pressed horizontal crease, on face very fine example the genuine very rare stamp, with the overprint error especially attractive, new photo expertize Brandon (2019), Michel 2.500.- (SG-no. O10 a, catalogue value 4.250 Pfd. )