Los 6673
1920, The large 25 and 50r. surcharges from Metalhandstamps, 25r. on 20 on 14k. deep carmine/blue, black surcharge, tête-bêche pair, one surcharge inverted, tied by cds. "БАТУМ -4.2."a to piece (lifted for inspection), a scarce variety, fine, signed Pohl and certificate BPA (1983)
depicted in "BATUM UNDER OCCUPATION the years 1917 – 1921", page 109 (by Hans G. Grigoleit & Edward Klempka)