To follow through with Rob’s comments a bit, I have a pair of these dated 04/77 and 02/78 made by Union Carbide in Toronto. Plain beige cardboard with black printing, identified as “CF BATTERY BA-300/U”. I have never seen any dated beyond the 1980’s.
Wartime production batteries I used to have were made by WILLARD BATTERY. Identical in construction but in olive green waxed cardboard with black trim and printing. A very ornate design compared to the bare bones look of the postwar product.
The brass terminal assemblies are still available and beige Manila cardboard is very close to the look of the postwar product. It would not be difficult to dummy working D Cell driven replicas.
David
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