Panini America Employee Cards Add Rarity, Fun to National Wrapper Redemption Set

When the 2012 National Sports Collectors Convention begins tomorrow in Baltimore, Panini America will give new meaning to the term "business cards." And depending on your perspective, it's a development that will either set collecting back a few decades or provide a fun, scarce addition for any Panini America fan. The history-making (or is that history-mocking?) Rookie Cards of Panini…