Comes in a solid style plus three variants with a shadow to the bottom left; A (outlined), B (solid letter, outlined shadow), C (reversed). Shown in PLINC’s Alphabet Yearbook 1969. No lowercase. Tipograph Fotoletras in Brazil had a copy named Spatz.
Digitized by Shin Oka of Daylight Fonts (unreleased). Wonder is a loose interpretation. See also the alternates of Volume Round.