**WANTED** Looking for magazine for Lee Enfield rifle .303 british

I need help identifying the rifle in the listed pictures. I bought it at the RD gun show, missing the magazine, and would like to find out exactly what the rifle is so i can get the magazine. To summarize, need help identifying rifle and need a magazine. Will pick up within reasonable distance or will pay shipping. Here are some of the marking on the gun to help identify it: 8134, which i think is the SN. Patent 19.145/90