Banksy's 2002 piece Happy Choppers is estimated to sell for £68 650-103 000 ($100 000-$150 000.) The 2009 work Heart Boy, an original aerosol stencil of armed military helicopters dressed with a pink bow which Banksy first created in Whitecross Street Market, London, is estimated to sell for £55 000-82 500 ($80 000-$120 000.)

Nola, 2009, a two-colour hand pulled screen print of a girl holding an umbrella depicting rain falling from the inside, which received a lot of publicity after Banksy displayed in New Orleans after Hurricane Katrina, is expected to fetch between £17 160-20 500 ($25 000-30 000.)

Shepard Fairey's Walk The Line, 2005, has an estimate of £17 160-24 000 ($25 000-35 000) and the retro work One Space, 2005, by Invader is expected to fetch between £24 000- 31 000 ($35 000-45 000.)

Important street artists Ben Eine, Rene Gagnon, ZEVS, D*Face, Faile, Kaws, Ludo, Dolk, Saber, Nick Walker, Hush and Paul Insect will also be going under the gavel in Los Angeles.

Works by Jeff Koons, Keith Haring, Yayoi Kusama, Andy Warhol, Jean-Michel Basquiat and Robert Rauschenberg are all represented in the contemporary part of the sale.

Check out Julien's full catalogue on Barnebys here.