unknown, Amsterdam, Tirion, Isaak, Regters, Tibout, Houbraken, Jacob, Jan Calkoen, Portrait of Jan Calkoen, verso lower left - stamped, Half-length portrait of Jan Calkoen, in an interior with columns in the background. His right hand rests on the back of a chair next to him. Below the portrait are his coat of arms and his name and details in four lines in Dutch., print, prent, prints, prenten, height 338 mm, width 237 mm, Noord-Nederlands, 1698-12-25 - 1780-11-14, print maker, printmaker, 1760 - 1760, paper, papier, engraving, engraving (printing process), etching, 1710-12-24 - 1768-01-26, after, after a painting by, Publication (Event), Publication, 1705 - 1765, publisher, uitgever van privilege