RING IT ON• most likely Navajo• rich blue with brown matrix turquoise• oblong shape• twisted rope setting• feather embellishment• single bandERA: 40s - 50sHALLMARK: MTDIMENSIONS:face: 1 1/2" x 1 1/8"stone approx. 1 3/8" x 5/8"ring size: 5WEIGHT: 10gMATERIALS: silver and turquoiseCONDITION: excellent! tarnished with age