Helen Frankenthaler's What Red Lines Can Do (H. 25), a screen print from 1970, is estimated to be worth £3,000 to £4,450 (signed) and has been sold at auction 2 times. During the last five-year period, the hammer price ranges from £1,939 in November 2023 to £2,914 in April 2022. This artwork has sold 2 times at auction since its initial sale in 2022. The edition size of this artwork is limited to 75.