Famous Tokyo jewellery workshop that was actively involved in badge manufacturing during late 1890s - early 1930s.
Two variants of the workshop name inscriptions are known.
Old style
東京 玉寶堂 謹製 - Tokyo Made by Gyokuhōdō /Gyokuhō - jewel, precious stone, gem; Dō - Shop/.
New style
東京 玉宝堂 謹製 - Tokyo Made by Gyokuhōdō
Silver marks.
The earliest workshop advertisement known today.
March 1892.
August 1896.
Two variants of the workshop name inscriptions are known.
Old style
東京 玉寶堂 謹製 - Tokyo Made by Gyokuhōdō /Gyokuhō - jewel, precious stone, gem; Dō - Shop/.
New style
東京 玉宝堂 謹製 - Tokyo Made by Gyokuhōdō
Silver marks.
The earliest workshop advertisement known today.
March 1892.
August 1896.