1981 Willa Cather Half-Ounce Gold Medal 
(1207-9546)
Heritage Auctions (image); U.S. Mint (gold commemorative medal)
Heritage Auctions <a rel="nofollow" class="external text" href="https://coins.ha.com/itm/modern-bullion-coins/us-bullion-coins/1981-ms-willa-cather-half-ounce-gold-medal-ms65-pcgs-pcgs-population-36-41-ngc-census-25-45-/a/1207-9546.s">Lot 9546</a>, 13 July 2014