This is an interesting image of a Kirin Lager Beer can from 1960. The design looks quite modern, but as with other cans of that era, it requires a can opener. Another interesting point is how it is worded in Japanese. It comes across as canned beer 缶詰ビール, instead of the more modern can beer 缶ビール.
Photo is a web capture for explanatory purposes, copyright belongs to the company.