Rare airman marked escape map. 91st bomb group?

Description

Rare piece with mission number and date marked on the map, from the research I’ve done I’ve narrowed it down to the 91st bomb group, I wrote on a separate piece of paper the missions I could find, the missing missions where flown over Czechoslovakia and this map don’t go that Far East. These missions date to early 1945. Super rare map. It is not named.
Please ask questions no refunds or returns
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