much like a social security number an employer identification number ein is a federal nine digit number that identifies a business entity the internal revenue service irs issues eins and requires their use on all tax filings during the entire life of a business
Game used items such as the ball in which Mark McGwire hit his 70th home run of the 1998 season sold for $3 million. The most expensive piece of sports memorabilia ever sold at auction was a New York Yankees baseball jersey that was worn by Babe Ruth during the 1920 season.
Great One's 1979 O-Pee-Chee reportedly auctioned for $465,000. by Pat Pickens @Pat_Pickens / NHL.com Staff Writer. Wayne Gretzky holds dozens of NHL records, including winning the Hart Trophy as League MVP nine times, so it stands to reason that one of his hockey cards would be the most valuable ever too.