![](https://anonimagroup.org/media/pages/works/1964/8465877937-1650740299/benkert-rumble-18-x-18-inche-acrylic-on-canvas-collectin-international-minerals-and-chemicals-shown-in-vibrations-ii-martha-jack.jpg)
Ernst Benkert, Rumble, 1964, Acrylic on Canvas, 18 x 18 inches, Collection International Minerals and Chemicals, Shown in Vibrations ii at Martha Jackson Gallery 1964
![](https://anonimagroup.org/media/pages/works/1964/402037b113-1650740333/benkert-black-and-white-op-tickler-liquitex-on-canvas-24-22-x-24-22-in-responsive-eye-exhibition-1964-for-web.jpg)
Ernst Benkert, Black and White Op Tickler, 1964, Liquitex on Canvas, 24.22" x 24.22", Responsive Eye Exhibition