Offered here is a 1936 Elgin Commemorative Half Dollar. It is graded by NGC as MS-65. The coin in the above pictures is the one you will receive. 1936 Elgin Centennial Half Dollar. Designer: Trygve Rovelstad Composition: 90% silver, 10% copper Weight: 12.50 grams Diameter: 30.6 mm Authorization: Public Law 74-688 Maximum Authorized Mintage: 25,000. Elgin Half Dollar Mintage.