THREE UNITED STATES INTERNAL REVENUE TAX DOCUMENTS,variously dated 1865, 1869 and 1871. Two, in sepia ink script on printed letterhead, from United States Internal Revenue, Collector's Office. Lebanon. One, a printed form document "United States Internal Revenue, Income Tax, 1871", stating the U.S. citizens' duty to pay taxes, and written in worn sepia script ink by a Maryland tax payer.. Each in double sided frame. - Framed, 11.5 in. x 13 in. Estimate $125-200