Syncopation is shown by Headliners in 1970 as their latest release, credited to Acey Cypres. Comes in 6 weights, plus Outline and Shadow variants, with alternates for ‘bcdeghmnpqsyADES’. [1970 Headliners specimen] Later named neo-Syncopation. [1978 Headliners catalog] Romantique is a related series with contrasted letterforms.

Also shown under the alias Design in catalogs by Typeshop (1973), Lettergraphics (1976), Castcraft (1978), and Phil’s Photo’s (1980), in 4 weights plus variants, with the same alternates. Shin Oka credits Design to Phil Martin of Alphabet Innovations, but doesn’t mention a source for this info.

Xctasy Sans (Red Rooster, 1997) is “influenced by the 1960’s typeface, Design Fineline”. It comes in 4 weights, with most of the alternates. OPTIDesign (Castcraft, 1990–1991) is another digital version in a single Medium weight.