FF stands for
Fredericia Stolefabrik. They make amoung other classics the child chair that Hans Wegner designed for the son of his good friend Borge Mogensen. Borge Mogensen himself designed of course many pieces for Fredericia Stolefabrik. Nanna and Jorgen Ditzel are also amoung those who designed for FF. I do not know what Arrantz stands for but I will look it up in one of their old catalogues...when I can locate them
The full text...
on the gold on black label on the Borge Mogensen furniture I have is: Aktieselskabet Fredericia Stolefabrik Made in Denmark Design Borge Mogensen. The text has the FF logo on both sides
Next to it is a black and white logo with two identification nummers written by hand also with the FF logo. Over the period that Danesco Inc. in Montreal imported Fredericia's to Canada this was the standard labeling
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