Auction 244 -Netherlands and former colonies, WW2 Postal History, Bosnia, German and British colonies, Egypt. - Day 3

Air mail letter Beverwijk 10.XII.1941 to USA with child welfare 2½, 5 (4x) and 7½ cent (3x) with blue framed censor Zurück - Retour/ kein Postverkehr -  A.B.P. (return sender, no connection), December 10, 3 days after Pearl Harbor and the day before the US declared war on Germany, only handstamp of the Auslands Brief Prüfstelle without censor sealing or handstamp 
WW2 Postal History - The Kees Adema Collection