a peculiar or distinctive impression or mark: a great man who left his stamp on legal procedure.
19.
character, kind, or type: a woman of serious stamp.
20.
an official seal or device appearing on a business or legal document to show that a tax has been paid.
21.
Also called local, local stamp.such a device, often similar to a postage stamp, issued by a private organization to show that the charges for mail carrying have been paid.
Origin: 1150–1200; (v.) early Middle English stampen to pound, crush, probably continuing Old English *stampian (cognate with Middle Dutch, Middle Low German stampen,Old High German stampfōn,Old Norse stappa); sense development apparently influenced by Old French estamper to stamp < Germanic; (noun) late Middle English: instrument for stamping an impression; partly derivative of the v., partly < Old French estampe, derivative of estamper
1465, "stamping tool," from stamp (v.). Sense of "official mark or imprint" (to certify that duty has been paid on what has been printed or written) dates from 1542; transferred 1837 to adhesive labels issued by governments to serve the same purpose as impressed stamps. Stamp-collecting