The conchos each measure approximately 2-5/8" (6.7 cm) by 1-7/8" (4.8 cm). Like most older Native American jewelry, this piece is not stamped or hallmarked for silver content. It is sterling or a slightly lower grade of silver. I have left the original patina.The item "GREAT VINTAGE NAVAJO INDIAN LEATHER BELT WITH SILVER CONCHOS & TURQUOISE BUCKLE" is in sale since Tuesday, March 6, 2018. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Vintage Ethnic/Regional/Tribal\Native American (pre-1935)". The seller is "deja--voodoo" and is located in Santa Cruz, California. This item can be shipped worldwide.