1887 / 88, trial proofs the Empire printing office for the issue 1889 "eagle drawing" in intaglio printing variant, 50 Pfg in 9 colours, unused without gum, as usual perforation - no lack, rare offered, photo expertize Ludin BPP: "impeccable" (7 % import duty will be charged on the hammer price, if this lots is shipped within the EC or the UK).