Hendrik Maarten Krabbé (1868-1931). Four colour-mezzotints: (1) "Grandmother favorite".

Colour-mezzotint, 32 x 26 cm., signed, dated 1913, numbered 1/100, titled and "2e proef" in pencil.

(2) (Man playing a lute). Colour-mezzotint after Frans Hals, 32.5 x 26.5 cm., signed in pencil bottom right; (3 and 4) And another two colour-mezzotints by the same, both signed. The lot in poor condition, with water stains, foxing and dust stains (mostly in margins) (total 4). See on the artist, actually Heinrich Martin Krabbé: https://tinyurl.com/kegs5cg.