seems the aircraft which might be depicted in the pictures was lost off the coast of Brest in '44
There were twelve seperate Lancasters that carried the OL-F code during the course of the war.
R5667 1657 Conversion Unit crashed 19-8-43 (341 hours on airframe)
R5671 to maintenance unit scrapped 1-47
R5857 crashed on take off Mildenhall 7-11-42
W4981 missing 14-5-43 (17 hours on airframe)
ED312 crashed at Stettin, Sweden 21-4-43
ED602 619 Sqdn lost Karlsruhe 27-9-44
JB453 lost Berlin 3-1-44
ND333 to maintenance unit scrapped 11-46
ND824 to maintenance unit struck off charge 28-11-46
ND854 lost Brest 14-8-44
PB376 went to maintenance unit and scrapped 11-46
PB470 became instructional airframe