The following record was found on the Internet it shows that Bert was a
POW at Sagan and Belaria.
The Website
https://muzeum.zagan.pl/en/obozy-jenieckie/ has the following entry
which has been translated:-
STALAG LUFT 4 SAGAN – BELARIA
Translation -STALAG AIR 4 SAGAN – BELARIA
Obóz istniał od stycznia 1944 r., przy obecnej ul. Kożuchowskiej, w
pobliżu zakładów zbrojeniowych OST-Bau Werke. Ewakuowany 27 stycznia
1945 roku.
Translation -The camp existed from January
1944, at today's ul. Kożuchowska, near the OST-Bau Werke armaments
factory. Evacuated on January 27, 1945.
Bert went missing in July 1944 so this
camp would have been in existence then.
Further information discovered:-
University of Lincoln
"AN ORIGINAL LIST OF AIRMEN POW’s IN LUFT.IV. GROSSTYCHOW, PREPARED BY GEO. DUMMETT WHO WAS ACTING AS LAGER POSTMAN. OUR THANKS TO GEORGE."
PENNY ROBERT SGT 6494 1566356 [block] 5 [room] 1
(source-https://ibccdigitalarchive.lincoln.ac.uk/omeka/items/browse?collection=1001
(There appears to be no doubt that Bert was in Luft 4 however he may have been transferred to Stalag X1B:-
(
see
further information).