Ceramics marked Nippon were created by many different Japanese manufacturers from 1891 to 1921. Pieces that are marked sell for more than unmarked pieces, but not all pieces made during the Nippon era are marked.
To read this article — and over 25,000 more — try Kovels Membership FREE for 7 Days
Kovels Knowledge Members get full access to 25,000 articles on antiques and collectibles from 60 years of publication.