This is an early Navajo piece that has been hand made and sand cast. Tested sterling silver. I am not familiar with the symbol but the pin is all hand cut and engraved in front.Size: Approx. 1 1/2 in. Weighs 9.7 grams. Please enlarge photo's as they are part of the description. Any questions ? just email and I will respond same day. You may combine items for shipping. I mail the same day as payment received,before 3:00 p.m. Pacific time. Payment due when item purchased. If that is a problem, just email me. I also accept personal checks and money orders as methods of payment. If you have a problem or are disappointed in your item just email for a quick return or resolve of problem. No problems just solutions. There is a 10% restocking fee,and buyer pays return shipping.