Based on Prisma. Initially shown by Photo-Lettering as Neon. [PLINC One Liner 1971]
No official digital version currently available. Among the unsatisfactory attempts are Neptune (FontBank, 1990–1993) and the shadowed Multistrokes (Manfred Klein, 2003). See NeoNeon (2022) for a better drawn rendition. In 2022, Julia Ma made a digitization for the catalog Entertainment Nation.