Blenko Glass DAS Crystal Baby Owl Paperweight. This owl was designed by Don Shepherd and sold in his DAS catalogs in the 1970's. After Don left Blenko as the designer he left many of his molds in Milton. Blenko has produced many of the Don Shepherd designs over the years. The DAS owls were produced and sold in crystal. Blenko has produced these in many colors, including crystal. It is about 3 inches by 3 inches. There are no chips, cracks or other issues.