Help identify RMT modernist style sterling ring

can someone help identify this sterling silver ring?

it is clearly marked RMT and not sure about the other hallmark on it. i may try to take a better up close picture if i can.

thanks so very much!


<img src=/uploads/db1846/original/1X/86e0c69d91f648c3ec68ea7ccee05637c5ae1509.jpg">

<img src=/uploads/db1846/original/1X/6ced906c92f708b383d752cf6e1292adafe974c4.jpg">