Jaap van Dam (1876-1972). Four advertisement-drawings: (1) "Schets ontwerp Reclame

voor Gebr. Ooms, Schoonhoven". Drawing in pen and ink and gouache, sheet size 12 x 26 cm, signed and dated "1903" with pen lower m., titled in lower margin with pen, mounted on cardboard with head margin.

(2) "J.E. Schaap & Cons. Nunspeet". Drawing in pen and ink and gouache, sheet size 9 x 18 cm, signed and dated with pen r.m., "Reclame schets Schaap en Cons." with pen in bottom margin, mounted on cardboard with top corners - and 2 more beautiful, signed advertisement designs with cows from 1903-1904. (total 4)