This is a nice U.S. fifty cent blue Entry Of Goods revenue stamp with a cancellation date of March 18 1871. The stamp is in nice condition, please see the photos for more details. This stamp is part of an estate & I will be listing more as I can. I am not a stamp dealer or expert, if you have questions please ask. Antique Entry Of Goods Revenue Stamp Scott # R55C R5 1871 Cancellation