Thread:Great Mara/@comment-29003107-20190201214219/@comment-3234545-20190202010209

It's not 日 (hi/nichi), it's 目 (me). When combined with the golden character on top of it, they form 斑目 (Madarame). The entire sign is 斑目大画伯美術館, which translates to "The Great Artist Madarame's Museum."