Question about two types of shells 20mm


i would know the type of these shells
first a 20x110 oerlikon with white of light grey shell

second a 20x139 with white or light grey and red black band

thank in advance for your response

20 x 110 RB

Can we get better images? In aprticular of the projectiles and all markings including hs and stencilled markings on the projectiles as well as anything marked with paint.


i have only these two pictures
but i can bought these rounds


American 20mm Oerlikons painted white/lt grey are H.E. rounds loaded with Tetryl .


thank for your responses
but the 20x110 is not american


i have more info on these two shells

the 20x110 oerlikon

light grey shell engraved mk 7 20 a
mk 26 1 ddcco f engraved on fuze
zb 5 6 7 nfb 45 painted on chromated case
headstamp:mdc 1945 rv 20mm mk3

the 20x139

609-70 painted on shell
800 6 graved on shell
shell had a aluminium “fuze”(maybe a ballistic cap) and the body look like light alloy
and red/black band and medium grey body and light/medium grey “fuze”