United States Depreciated Currency Covers. A worthwhile and highly varied group of 24 covers from the period 1863-1878 showing the ever-changing rate of exchange between paper money and coin, interesting items include letter from Kronstadt, Kotlin Island, Russia, another from Sicily, Boston U.S. Notes 62 in large distinctive oval, New York / U.S. Notes/113 (unusually high rate), many others, overall Very Fine, with some superb, worth inspection. Estimate  $1,500 - 2,000. $0 (Image)