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Alex Katz's Boy With Branch 1, a signed aquatint from 1975, is estimated to be worth between £2,850 and £4,250. This artwork has shown consistent value growth, with an auction history of seven total sales since its entry to the market in December 2007. Over the past 12 months, the average selling price was £3,000, and the hammer price has ranged from £2,141 in October 2020 to £3,175 in September 2020. This work has a positive average annual growth rate of 3% and an auction history of seven total sales since its entry to the market in December 2007. The edition size of this artwork is limited to 90.