I'm new to the forum. A few years ago, my father gave me a ring that he had brought among other jewellery from Soviet Union. I would like to get some clarity on the origin. I understood that it's 14k, but not sure what means the soldier's head and the letter M.
Thank you for your help.
Best, Kamil
![Image](https://i.imgur.com/pmw0u6M.jpg)
![Image](https://i.imgur.com/7ExtKmn.jpg)
![Image](https://i.imgur.com/wBKDSBC.jpg)