Men's Thunderbird Buckle German Silver & Onyx

please see pictures for measurements. Signed German silver, around that at top is Western Flair , than Colo. Spgs. Colo. Buckle is beautiful. Vintage and has some miner scraps/ scars, but no chips or real damage. the scraps are in the onyx and hard to see unless you are looking for them. camera brought them out. silver has like diamond cutting in the edging and the bird. I couldn't find anything like it, so going by the suggested price the closest one to in using Mexican silver. lots of silver and art work in this one.