Softcover. Indian Tribal Series, 1972. In good condition, spine lightly sunned, would be near fine, but has a dark spot from burning on page 20. Still readable, but no longer pristine. This book is to commemorate the issuance of the Pure Silver Navajo medal April 15, 1972 and is limited to 15,000 copies. This is No. 7314, signed by the Tribal chairman, Peter MacDonald. A history of the Navajo tribe.