Now the auction is over (and no i certainly did not buy the piece!!) was wondering with the fear of any ulterior motives of mine gone, if anyone was able to help.
I cannot find any official confirmation of a plane down in the area but have been pointed to another local memory of it, here…
http://books.google.co.uk/books?id=1Uax_zn_JtQC&pg=PA48&dq=german+bombing+deptford+1940&hl=en&sa=X&redir_esc=y#v=onepage&q=german bombing deptford 1940&f=false
Thanks in advance
Steve