1 1/2 Dollar Imperial Yacht, blackish grey-violet, without watermark, B perforation with 25:16 perforation holes, unused, hinges removed, perfect condition, expertised Bothe BPP, photo certificate Jäschke-Lantelme BPP (2024) "fresh colours, very good perforations, in faultless unused condition" - the 1 1/2 Dollar Kiautschou with B perforation became known only over 100 years after the stamps were issued. Examples are very rare; presumably only one printing sheet (two counter sheets of 20 stamps each) was produced. An absolutely outstanding item for a major colonies collection, without impairments, Mi. 35.000.-