1934 Maryland Tercentenary Commemorative Silver Half Dollar – 90% Silver Coin. Celebrate Maryland’s 300th anniversary with this classic 1934 Maryland Tercentenary Commemorative Half Dollar. Struck by the U. Mint in 90% silver, this historic coin honors the founding of the Maryland Colony in 1634. Denomination: Half Dollar (50¢). Composition: 90% Silver, 10% Copper. Weight: 12.5 grams. Diameter: 30.6 mm. Mint: Philadelphia (no mint mark). Obverse: Portrait of Cecil Calvert, 2nd Baron Baltimore. Reverse: Maryland’s colonial coat of arms. Designer: Hans Schuler. A beautiful piece of American history and a must-have for any classic commemorative or silver coin collector. Please look at the photos carefully. If you need extra photos, please contact me and I’ll be more than happy to send them. Don’t let this one pass you by.