12 rounds

Ugo
Micheli
VS
Frank
Klaus

Micheli · PTS 12/12

Dec 20, 1910 · Armory, Boston, 🇺🇸

Micheli going in3-5-6

Klaus going in46-11-10

Confirmation✓ one source

MethodPTS

Round12 of 12

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Frank_Klaus

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