United States. An Aircraft Observer Badge, c.1920 certificate_of_authenticity A Royal Artillery cap badge

A Royal Artillery cap badge

and topped by a gold bullion wire Luftwaffe eagle clutching a mobile swastika

secured in place by a silvered aluminum button with a pebbled upper and that is maker marked with a stylized "A" (F

marked with code “L/21” for maker Förster & Barth

as well as two central gilded plaques showing the Military Justice Body emblem on a blue thread background

United States. An Aircraft Observer Badge, c.1920 certificate_of_authenticity A Royal Artillery cap badgeIn silver, a pair of wings featuring US in the central shield, reverse marked STERLING, with horizontal swing pin, measures 80. 9 mm (w) x 20. 2 mm (h), light wear, in very fine condition.