Need to find out who is this maker

i tried many web sites but couldnt find who is this maker, please can you help me thanks

<img src=/uploads/db3169/original/1X/f44b38ce6580b5980fae873e8bd591f437aa4886.jpg">

<img src=/uploads/db3169/original/1X/f8bcbe906e7d4761aa4ad07a569188442c95439b.jpg">

I have two silver Navajo buckles with marks I have been unable to identify anywhere. They are shown below above their respective buckles: