"Nothing is too mundane to be authenticated, if deemed potentially
valuable. Cans of insect repellent used to combat the midges that
swarmed the 2007 playoffs in Cleveland were authenticated. So were
urinals pulled from the old Busch Stadium in St. Louis and office
equipment from since-razed Veterans Stadium in Philadelphia. The
Phillies are cutting the clubhouse carpet from last season into
authenticated 18-by-24-inch mats. "
Indeed, "…every game has
at least one authenticator, watching from a dugout or near one. The
authenticators are part of a team of 120 active and retired
law-enforcement officials sharing the duties for the 30 franchises.
Several worked the home openers for the Yankees and the Mets, helping
track firsts at the new stadiums. They verified balls, bases, jerseys,
the pitchers’ rosin bag, even the pitching rubber and the home plate
that were removed after the first game at Yankee Stadium. "
Here is more, from the blog of Al Roth.