Tanabe Baritone

This is an Tanabe Baritone.

This is a Japanese instrument, but little is known about it. Tanabe trumpets are reasonably common, but there is very little about baritones.

The engraving says:
Greatest name in the World.
TANABE
(FOUNDED IN 1897)
Band Instrument Co., Ltd.
TOKYO JAPAN

Serial number is 19xxx.

Date of manufacture is unknown.