Could some please help me, or point me in the right direction. The Leonidas trademark first registered in 1902 in St.Imer, Switzerland. Leonidas were well known for pocket watches, stop watches and pocket chronometers. Leonidas was absorbed into the Heuer company as Heuer-Leonidas in the early 1900's, which later became Tag Heuer. I am trying to find approximate value so I may sell. Please help
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