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Multiple copies of a 1997 Circa Bip Roberts

Bip: To pull multiple copies of the same card from a single pack. Term was coined by a poster to the cardblog A Pack A Day, who pulled ten copies of Bip Roberts' 1994 Upper Deck card from a 2008 Upper Deck Baseball retail box. It has since been made famous by cardblogger Bill "Thorzul" Boehm.

Bipping has evolved into a highly-elaborate, but good-natured, prank where a collector mails multiple copies of the same undesirable card (usually, but not necessarily cards of Bip Roberts) to a fellow collector.