Mart Franken (Bergen op Zoom) had solo exhibitions in various museums: House Van Gogh Zundert, Stedelijk Museum Markiezenhof, Museum Van Lien, where he showed 300 portraits of residents of a nursing home . This was part of a series of 410 portraits, he was commissioned in a period of 4 years. With such large numbers truly unique in the world (Research University of Amsterdam). His so-called "Troelekes" - beautiful, strong, independent, sensual woman paintings - are renowned and are sold everywhere in Netherlands and abroad.