Welcome to SRP and that is quit a nice find. I couldn't help you with the date all I can say is that they are fine razors and add that you will want to have it pro honed before you attempt to use it. If you are thinking that you can sharpen knives so why not razors, I will tell you that there is a BIG difference. You can find a listing of members in your area that can help you with the honing as well as teach you the proper strop technique and how to map your face. SRP is full of information and this is a good place to start Beginner's guide to straight razor shaving - Straight Razor Place Library