The answer has been revealed it is a Bolkhovitinov’s DB-A2
here is a link to the quiz forum where the question was asked what do you chaps think?
regards robert
Hi thankyou for your welcome
I live in England. I am the admin of a forum on british and commonwealth aviation which I founded Feb this year you can find a link in my original post. I am after the info for one of the members.
regards Robert