This is an incredible vintage Hopi museum quality silver bolo tie handmade by the famous artist John Coochyumptwa. This piece contains huge bison and mountain silver works with a center fabulous natural huge Royston turquoise stone. John is one of the most prolific Hopi artists and this piece is huge and very heavy. The bolo measures around 2-3/4" X 2-1/4" and the total length of the tie measures around 43". The center stone measures around 1-3/8" x 1-1/8". Signed by Hopi artist, John Coochyumptwa. Sterling silver, marked. Cir. 1970's+. Sturdy 82 grams.