Six Compact Folding Film Cameras

comprising a Zeiss Ikon Ikonta 521/16, with a Zeiss-Opton Tessar f/3.5 75mm lens, a Zeiss Ikon Ikonta 521, with a Novar-Anastigmat f/3.5 7.5cm lens, a Kodak No.2 Folding Autographic Brownie, a Voigtländer Vito IIa with a Color-Skopar f/3.5 50mm lens, a Kodak Retina Type I Type 010, with a Retina-Xenar f/3.5 5cm lens and a Kodak Retinette Type 117, all shutters working but sticking at slow speeds, all lenses have mild to moderate haze