02-27-2018 11:20 AM
02-27-2018 11:53 AM
I think it is a smeary NIPPON (Japan) mark. It might be NIKKO. Go here, scroll down to Nikkon and then to Nippon to see what you think:
http://www.gotheborg.com/marks/20thcenturyjapan.shtml
03-02-2018 09:19 AM