Canada, Commonwealth. A Second War RCAF Type "B" Flying Helmet Auction Archive entitled "History of the Lincoln

entitled "History of the Lincoln and Welland Regiment" by Major R

" stamped on the flip-open front cover

featuring a handwritten signature of AH

surrounded by the inscription ""FOR AMERICAN CITIZENSHIP / ONE FLAG / ONE COUNTRY / ONE LANGUAGE""

1877 in Königsberg (Prussia)

Canada, Commonwealth. A Second War RCAF Type "B" Flying Helmet Auction Archive entitled "History of the LincolnRubberized mask with rubber hoses and khaki cotton straps, with the appropriate hardware, cords and whistle attached, in two basic pieces, manufacturer stamped in black ink "A. E. H. E." above "4" on one of the straps, marked "MEDIUM" with the British Broad Arrow on the rubber nose piece, marked with the King's crown flanked by "REF. No. 10A 12571 A" and "M 10A 12570" along with "ON" on the electronics, all four microphones marked "R. C. A. F. REC. C