Roger Moore takes centre stage as the frogman hero Rufus Excalibur Ffolkes in scuba gear holding a harpoon. James Mason is pictured to his right as the admiral while Anthony Perkins gun in hand makes plans for the hijacking of the North sea oil rig. Printed in England by W. E. Berry and featuring great diving artwork this one hails from 1979. This folded poster has three 1/2 inch border tears at the top centre.