1905 (circa) Yachts Trial Printings 40pf perforated plate proof in the issued colours on Lozenge Watermark paper Mi 13P, very well centred, large-part o.g., Cat €230. Ronald Steuer Certificate (2004) states - translated - proofs were produced to establish how colour printing would appear on the watermarked paper and that they are "sehr selten" = very scarce.
1914 German-English Airship Expedition 2pf bright ultramarine and 1mk black blue & red 'Zeppelins' Sieger I & II, well centred. Ceremuga Certificate (2013) for the 1mk. [The Expedition was cancelled because of impending war between the participating countries]
POSTAL HISTORY: 1892 cover with 'NEU GUINEA COMPAGNIE.' imprint at the top to "Medical Hall/Singapore" with Large Arms 20pf blue tied by superb 'FRIEDRICH-WILHELMSHAFEN/24 12/92/ * ' cds, 'SINGAPORE/ A /JA11/93/- -' arrival b/s. Superb!
POSTAL HISTORY: 1896 apparently commercial cover to Germany with Large Arms 20pf blue tied by largely very fine strike of the 'STEPHANSORT/4 7/96/ * ' cds, very fine 'DEUTSCH-LISSA/18.8.96' arrival b/s, minor flap faults.