Bucker Bestmann insignia help????

Dear Forum

Looking for help in a friends aircraft. He is having his Bucker Bestmann repainted as detailed in the picture below (TP+WX – 6th photo down page):

http://www.luftarchiv.de/index.htm?/flugzeuge/buecker/bu181.htm

We know its a machine of A/B32 based at Oldenburg/Pradubitz in 1940, but need more details of the insignia below the cockpit on the port side. We think its a prancing white horse on a red background, but need finer detail of the print and any other information. The aircraft is in the paint shop now, hence some minor urgency!!!

FB