Thread: Dating Puma Razors

Hello, My name in Ken and I need a little help please. I acquired a cased set of PUMA razors. Is there anyone on the forum that can help me date the set? There are some numbers on the scales near the top pin. Actually above and below the pin. There are 6 numbers in total. The numbers are 602 and 362. Do these numbers meaning anything to anyone ?
I have included some photos that may be of help in your analysis. Thank you !