1902 Listing and it appears he won a silver medal, or something similar, for his wares in the same year. I would guess his telegraph to be Rebo or Reebo:

Reeb, J. J., Hofbchsenmacher; Waffen - Fabrik; Jagd- und Sport - Ausrstung, Mnsterplatz 2. Tel. 637

Kind Regards,

Raimey
rse