I happened upon this chawan. It has the Raku family stamp. Seems authentic. It has light marks from the kiln tongs so probably genuine raku technique. Lightweight. Heavy crazing of glaze. 5 "waves" on the lip. Lovely earthy clay smell. Thoughts? Pics linked.
Side https://drive.google.com/file/d/1fGI6_T ... sp=sharing
Seal https://drive.google.com/file/d/1dSlSrV ... sp=sharing
Inside https://drive.google.com/file/d/1U5Wvwb ... sp=sharing