According to Pike's Blue Book of Dover in 1906-7 at 43 Biggin Street there was Macleod & Co., sewing machine agents.
However, earlier than that (back towards the time the widening of the street took place when he buildings would have been new, there is:
W. MASTERS, Hairdresser.
I seem to remember seeing pot lids illustrating Bear Grease for the hair - have a look at this webpage, it COULD have been to advertise Bear Grease preparations:
http://www.pioneergirl.com/2005/05/bear-grease.htm
And perhaps the bear, as suggested, did hold a flag ...
Kath