Three American Flight Surgeon Badges

Flight Surgeon (silvered metal, marked "1/20 SILVER FILLED" and "KREW G-I" on the reverse, 23.8 mm x 75.5 mm, dual push pins); Senior Flight Surgeon (silvered metal, marked "KREW G-I" on the reverse, 30.2 mm x 75.7 mm, dual push pins); and Chief Flight Surgeon (silvered metal, marked "KREW G-I" on the reverse, 32 mm x 75.8 mm, dual push pins). Extremely fine.