1942, KGF folded letter (dated Africa 1.12.42) with two-line cancel "P / W MIDDLE EAST 149" with two different closing slips of paper "b" and "c" and inspection cancel "OKW C6" as well inside glued enclosure slip of paper "the censorship was from one alien power undertaken - the verifying authority" to Kaldenkirchen, opening fault, in combination with the double censorship and enclosure slip of paper very rare!