The post office is set for the holidays.
The agency unveiled two new Christmas stamps Thursday, and is following on Friday with new stamps to commemorate the Jewish holiday Hanukkah and the African-American celebration Kwanzaa.
This year's traditional "Madonna and Child" Christmas stamp features a painting by the 16th century artist Raphael which now hangs in the Walters Art Museum in Baltimore.
The modern holiday stamp features a set of four 1950s style Christmas tree ornaments.
The Kwanzaa stamp is illustrated with a family dressed in green, red and black. The Hanukkah stamp features the eight letters Hanukkah on colored fields, representing the eight candles, and the second letter "K" resembles the toy known as a dreidel.