Shown by Alphabet Innovations in 1971 as Sledge Hammer. Shown in Dan X. Solo’s Art Deco Display Alphabets (1982) as Bust and in Moderne Alphabets (1999) as Chesty, with alternates for ‘BJMNPRuvwxy5’. Castcraft’s Encyclopedia shows Bust and mentions Sledgehammer as a similar face.
Dick Pape created a limited freebie digitization as DXS Bust (2010, used for sample). Whangarei (Jadugar Design Studio, 2016) is another interpretation. See also Waldo (The Northern Block, 2021).