Read about the 1789 copy of the U.S. Constitution recently used at the swearing in of newly-elected U.S. House of Representatives members. The Law Library of Congress provided the copy printed by prominent New York City printers Childs and Swaine. And yes, it is correct that one of the original 12 constitutional amendments proposed in 1789 was not ratified by three-fourths of the states until 1992 - one regarding changes to Congressional pay which eventually became the 27th Amendment. Here's a brief explanation from the Government Printing Office publication, The Constitution of the United States of America: Analysis and Interpretation.
Legal information and research resources from The Ohio State University's Michael E. Moritz Law Library