GE B212-14u Postal Congress Pact w/Cancels

VF 1942 set overprinted to mark the signing of the postal pact for countries occupied by Germany. Great Images. Overprinted *9 Okt. 1942* on the earlier set. On Piece with the pictorial cancel from the event!  Note: envelope piece is slightly different than photo. Cancels to left bottom of stamp.