Check the listing for details. 1900 O Morgan Silver Dollar UNC! ENN Coins. Condition: Ungraded, Made in United States. Listed at 104.95 USD. The 1900 O Morgan Silver Dollar UNC from ENN Coins is a rare and highly sought-after coin for collectors. This coin features a pristine uncirculated condition, with a fineness of 0.9 silver. Minted in New Orleans in 1900, this business strike coin is a valuable addition to any coin collection. Uncertified and ungraded, this United States coin holds historical significance and is a prized piece for numismatists.