WINGS UPON THE WIND BY DONALD PENTZ SET OF THREE(3) PLATES. Plate 1 - The Landing Plate 2 - Nesting Plate 3 - Courtship. Under the sponsorship of The Canadian Wildlife Foundation. It is further certified that the plates are hitherto unpublished work created under exclusive commission by Canadian wildlife artist Donald Pentz. The edition has been confined to the permanent limitation imposed by an announced firing period of 150 days. Each plate is $25.00.