Netherlands, Spilman, Hendrik, The Slykpoort in Amersvoort, View of the Slijkpoort in Amersfoort, verso - stamped, View of the Slijkpoort in Amersfoort with a bridge over the canal and on the far right the Onze-Lieve-Vrouwetoren., print, prints, H Sp.m. fecit, bottom right, DE SLYKPOORT TE AMERSVOORT, middle bottom in the margin, height 135 mm, width 190 mm, Noord-Nederlands, 1721-02-17 - 1784, print maker, printmaker, 1742 - 1784, paper, papier, etching, engraving, engraving (printing process)