Catalogue description meanings.

The first name/s and surname of the artist, is the genuine work, painted by the artist.
‘Attributed to’ is probably a work by the artist, at least in part.
‘Studio of’ or ‘Workshop of' is a work executed in the studio or workshop of the artist, possibly under his supervision.
‘Circle of’ is a work of the period of the artist showing his influence, closely associated with the artist but not necessarily his pupil.
‘Style of’ or ‘Follower of’ is a work executed in the artist’s style but not necessarily by a pupil; may be contemporary or nearly contemporary.
‘Manner of’ is a work in the style of the artist but of a later date.
‘After’ is a copy (of any date) of a work of the artist.
‘Signed’ ‘Dated’ or ‘Inscribed’ is a work that has been signed/dated/inscribed by the artist. The addition of a question mark indicates an element of doubt.
‘With signature’ ‘With date’ ‘With inscription’ or ‘Bears signature/date/inscription’ is the signature/date/inscription has been added by someone other than the artist.