Updated: July 10, 2023

Oversize Unit Storyboard of Stairwell Explosion from The Towering Inferno ( Irwin Allen Productions, 1974 ). Vintage original oversize production blueline unit storyboard featuring a stairwell below the 87th floor exploding in flames from this classic Irwin Allen cliffhanger. The unit storyboard illustrates camera angles, with hand-drawn elements in colored ink marker and a trimmed portion of the script detailing the scene affixed at the lower edge. Measures 27" x 21" and affixed to 4-ply artist illustration board measuring 40" x 30". Actual artwork reproduced on pages 438-450 of "The Fantasy Worlds of Irwin Allen" by Jeff Bond, Creature Features 2019.

Value: $500.