Offered here is a 1934 Maryland Commemorative Half Dollar. It is graded by PCGS as MS-65. And is CAC certified. The coin in the above pictures is the one you will receive. 1934 Maryland Tercentenary Half Dollar. Maryland Tercentenary Half Dollar Coin Specifications. Designer: Hans Schuler Composition: 90% silver, 10% copper Weight: 12.50 grams Diameter: 30.6 mm Authorization: Public Law 73-215 Maximum Authorized Mintage: 25,000. Maryland Tercentenary Half Dollar Mintages.