Haunch of Venison is operating from 6 Haunch of Venison Yard (in the Bond Street area of central London). There is an exhibition until 18 February 2012 "featuring works by many great post war British artists such as Bacon, Freud, Coldstream, Andrews, Auerbach and Hockney." http://haunchofvenison.com/exhibitions/current/the_mystery_of_appearance/
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A few months ago I was walking past what used to be The Museum of Mankind and wandered in Haunch of Venison, the art gallery (http://haunchofvenison.com) had taken over this space and I made a mental note of the location (
My peripheral vision picks up lines and stripes, especially if they are repeated and even fractured. I had described one of the pieces as resembling an earthquake or subduction tectonic plate fault line as portrayed on a geological map.
The first is: Barber Osgerby, Corona 1100, 2011, Painted steel wall light, 110cm diameter x 26cm deep
Let me know what you can make out from these images.
The third is: Frank Stella, Tetuan 1, 1964, fluorescent Alkyd on canvas, 195.6 x 196.2 cm, signed and dated '64 (on the reverse) (this is the Stella in particular that you liked, with the changing lines)