358 / September 2014
358. Heinrich Koehler Auction
1918, Wrapper 15 on 2 k. green, unused, twice folded horizontally, on reverse two blue ink spots, otherwise fine, signed Mikulski and certificate Löbbering BPP
RAKWERE: 1918, 15 k. on 2 k., unuses wrapper, three horizontal folds, otherwise fine, very scarce, signed Eichenthal und Löbbering BPP certificate