Vintage Binoculars, No. 3937 , 7 x 50, Made in Occupied Japan ,Beat Up Case

Please note, I found these in my father’s garage and unfortunately I don’t know too much about them. Here’s what I know the manufacture is CPC OPTAX . 7×50 field 7.1 number 3937 Black Approximately 4 pounds It came in this little leather bag. The bag is pretty beat up and weathered missing the top of the bag. Please refer to photos. Binoculars are in good shape the bag is in fair shape without the lid