'Gas Mask Boy', a spray paint and oil on wood by Banksy – estimate £1.6m-2m at Phillips.

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One being offered at a Phillips auction in London on April 15, however, is Gas Mask Boy, a signed spray paint and oil on wood.

Measuring 3ft x 2ft 4in (93 x 72cm), it was executed in 2009 and dedicated For H in the lower left – suggesting it was probably created for a particular acquaintance of the artist. Crucially, it comes with a Pest Control certificate.

It comes to auction from a private source in The Netherlands, having changed hands once since it was acquired directly from Banksy.

This work was previously exhibited at a Phillips selling show in Hong Kong in 2018; now it is pitched at a cool £1.6m-2m.