Philatelic Study Group:
Hong Kong Security Markings and Perfins

B M in rectangle

Following are discussions on the B M in rectangle.

Rod Sell 14th July.

BM in black in rectangle 12x15.  The B is 6mm high.
Can anyone assist with any information.

Harmon Fine 14th July.
I do not believe this is a security marking. Orsetti discussed this several
months ago. I had an oval version of this. We concluded it was probably the
French marking for "Boit Mobile" if I spelled it correctly.

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Last Modified  18th July 2001