Originally designed with four evenly distributed lines, as a matching lowercase for Neo Prisma. [Aiap] Submitted to Mecanorma’s contest and issued as Gemma in 1972 or 1973, now with the center gap filled in. [MN Graphic Products, 1973].
Adopted for phototype as Giddy. [Castcraft 1978] Typony Core 1 (ca. 1980) shows another phototype adaptation as Wapper. [Oka]
No known digitization.