1878 Paris Expo Exposition Antique Charles Mahillon Brass Baritone Instrument

Description

1878 Paris Expo Exposition Antique Brass Baritone Instrument Brussels Army Rare.
Charles Mahillon is the maker. Very Rare
Approximately 22 inches in length.
Plaque from 1878 Paris Expo and Gold Medal
Does not work, one valve is stuck down.
Please see pictures for condition.
Pricing super high until I get more information about the instrument.
Please email me if you know anything about the history or value of this Euphonium.
Shipping to the USA only