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.
Honus Wagner played for the Pittsburgh Pirates for about 10 years.  He was the greatest shortstop of all time. His 1909 T-206 card is  now worth millions of dollars, and is â¦ the rarest piece of cardboard  in the world. The last price estimate for the card is over $3  million.