1 Dollar imperial yacht on paper watermarked 1 (lozenges), war time printing, 26 : 17 perforation holes, plate flaw I "numeral of value 1 crosswise hatched", corner margin piece top left (field 1), mint never hinged, faultless condition, unsigned, photo expertize Ronald F. Steuer BPP "impeccable mint never hinged copy. ", Michel 1.000.- free of premium for the better base stamp type!