See Minolta Autocord L page for notes on 24 models of Minolta Autocord TLRs. The Minoltacord and Minoltacord Automat (cf. Rolleicord, Rolleiflex) from circa 1955 featured 75mm f/3.5 lenses and a Citizen shutter offering speeds from 1 second to 1/400th second. The Minoltacord models were superceded by the better known Minolta Autocords. You can often buy one of these twin lens reflex cameras for circa $100 on the user market.
Minoltacord serial #122xxx. Chiyoko Promar sIII, 75mm, f3.5 in Optiper-MXS shutter, B - 400. Viewer lens is Promar 75mm, f3.2.