USA - Civil War (3) Coin Set - Peck Union Case - $5 Gold, $1 Silver, 50¢ Clad - 1995 - Proof - COA - This proof set contains the half dollar, dollar, and five dollar gold coin complete with original box and certificate of authenticity. The Civil War Battlefield Commemorative Coins Union Case reproduction is based on a case by Peck & Halvorson that was distinguished by a gilded reverse design of a U.S. 10 dollar gold piece.