5 Mark imperial yacht, peace printing, 26 : 17 perforation holes, green black / carmine red, cancelled by single circle postmark "BUEA 6 5 14", very fine, in this quality rare stamp, expertized Richter, photo expertize Michael Jaeschke Lantelme BPP "fresh colours, well perforated and in faultless, used condition", Michel 4.800.- - provenance 22. Ebel auction 1950.