As for today the exact owner of this mark remains unknown. Presumably mark was used by Namikawa Yasuyuki /katakana ナ reads Na/. Unfortunately, at present this hypothesis cannot be conclusively proved.
Workshop that used this mark was active during the first quarter of the XX century...
japanese medal with mark ナ
japaneseordermadebynamikawayasuyukijapaneseorder with mark ナ
manufacturer of japanese medal
manufacturer of japaneseorder
mark ナ on japaneseorders and medals
namikawayasuyuki workshop
order of golden kite with mark ナ
order of rising sun with mark ナ
order of sacred treasure with mark ナ