Vincent Platero Old Style Navajo Sterling Silver Concho Ring. Vincent Platero Navajo Concho Ring. This beautiful old style sterling silver concho ring is marked Vincent, USA sterling and VJP. It was made by Vincent Platero, Navajo.This ring is a size 7 1/2. The ring shank has been left open so it can be adjusted a bit. The top measures 1 1/2 inches across at the widest point. It is in excellent condition. The item "Old Style Navajo Sterling Silver Stamped Concho Ring sz. 7 1/2" is in sale since Thursday, March 4, 2021. This item is in the category "Jewelry & Watches\Ethnic, Regional & Tribal\Rings". The seller is "explodingllama" and is located in Novato, California. This item can be shipped worldwide.