United States Forces WWI Period Uniforms, comprising an Air Force Sergeant’s tunic and trousers, the single breasted tunic with four pockets and soft ‘stand-up’ collar, bronze finish buttons, a bullion embroidered brevet for an Observer, right arm with rank badges, left arm with elaborate embroidered ‘A’, a tri-colour roundel in the lower section of the A in red, blue and white silk above a khaki patch, this with an embroidered purple and white silk barrage balloon and basket, the collar with a bronze ‘US’ and featuring crossed flags and a torch overlaid with US; a fine khaki linen single breasted tunic and trousers, four pocket tunic with bronzed buttons, the soft collar with bronze double collar badges of crossed rifles and ‘US’, a single narrow light brown braid rank insignia, the latter pair of items with moth damage otherwise good condition £80-120