1 of 6 | Yverne Pat Moore, postmaster of Washington DC, unveils the official 2007 Christmas Postage Stamp featuring Bernardino Luini's 1515 oil painting "The Madonna of the Carnation" at the National Gallery of Art in Washington on October 25, 2007. (UPI Photo/Kevin Dietsch) | License Photo
Officials said they are encouraging customers to submit their Top 5 favorite picks for stamp honorees at http://www.facebook.com/USPSStamps of @USPSStamps on Twitter.