having testicles or ovaries removed
Intentionally modified after the minting process, such as by changing the date or by adding or removing a mintmark, usually in an attempt to deceive collectors (example: 1944-D Lincoln cent altered to appear to be a much more valuable 1914-D)
Having undergone physical modifications from its original condition. Alterations may include: (1) Customization to accommodate a player's preference (i.e. tapering of the body, cutting/venting or tapering of the sleeves, etc.); (2) name/number changes; (3) restoration with the intent of restoring it to a state of being historically accurate (such as sewing a new nameplate on a jersey where the original plate had been removed (See "NOBR").