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.
Top 10 Most Valuable Basketball Cards. The most valuable basketball cards while not in the same league price-wise as other vintage sports cards are coming on strong for those who collect these cardboard depictions of hardwood heroes. Prices are soaring in the last decade for the Top 10 Most Valuable Basketball Cards. As in baseball and football cards, generally, a non-partisan third-party grader authenticates the most expensive basketball cards (usually this is Professional Sports Authority (PSA) or Sportscard Guaranty LLC (SGC)). Below are some of the most sought after basketball cards that the world has to offer.