The stamp act was mainly a tax on which items

List of items that were affected by the Stamp Act: Legal documents, ship’s papers, wills, licenses, newspapers, pamphlets, advertisement, bills of sale, almanacs, calendars, any kind of declarations, pleas to courts, donations, inventory, testimonials, diplomas and certificates of university, college, seminary or academy of learning;  affidavits, bails, business license, writ of covenant for levying of fines, writ of entry for suffering a common recovery, court orders, dice and playing cards among others.