Wikipedia
Stamped paper refers to an, often, foolscap piece of paper which bears a pre-printed revenue stamp. Stamped papers are not a form of postal stationery. The use of stamped paper in the American colonies was so unpopular that it has been credited with sowing the seeds of the American Revolution.
Usage examples of "stamped paper".
The Government clerk formerly presented himself with his stamped paper and the seller handed him the money without much grumbling, knowing that he would soon be more than reimbursed by his customer: the indirect tax is thus collected.
Javert seated himself, drew a sheet of stamped paper from his pocket, and began to write.
After changing his clothes and combing the few threads of hair he had left, he went to the telegraph office to buy a sheet of stamped paper.
Then he went back to the telegraph office and returned the sheet of stamped paper.
He pulled out a loop and considered the stamped paper under the light.
Toward the end of the summer, riots broke out in Rhode Island, Maryland, New Jersey, Pennsylvania, Connecticut, and New Hampshire as increasing numbers pledged to resist the new British measures, seize and destroy the stamped paper, and force the stamp commissioners to resign.
He put me off with one miserable excuse after another - enquiries had to be made on stamped paper and backed by a commissioned officer or a justice of the peace - there was no stamped paper available at present.