Up for auction is a beautiful War Department Official Mail cover from The Picatinny Arsenal Post Office to Dover NJ USA . Postmarked in January 31, 1946 . Nice Stamps Marks & Cancels . Great Postal History . In Good condition . Sender is Richard Whitmore . With Letter confirming death of American soldier in the battle of the Bulge in WW2, sent to soldier's widow. Unusual letter.