Blue Umbrella

Alex Katz's Blue Umbrella (signed), a lithograph from 1979, has an estimated value of £8000 to £12000. This artwork has been sold 18 times at auction since its initial sale in 2008, with a limited edition size of 120. In the past five-year period, the hammer price ranges from £6275 in September 2025 to £14030 in September 2023, with an average annual growth rate of -8%. In the last 12-months, the average selling price was £6275, with a total sales volume of 1.