Buying Art is often tricky, my best advise is to buy what you love trust your instincts ooh and always choose the bigger option (often) I know what also helps you its seeing it insitu so you can visulaize it in your space.
Here is some recent styling work and behind the scenes for Artist Anya Brock (I love her work)
Photography Jacqui Turk
Furniture and location Project 82
