Syncopation is shown by Headliners in 1970 as their latest release, credited to Acey Cypres. Comes in six 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. Jazzbeau/Dixieland (Photo-Lettering, in or before 1971) is very similar.

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 four weights, with most of the alternates. OPTIDesign (Castcraft, 1990–1991) is another digital version in a single Medium weight.