Shown as Thunderbird, or neo-Thunderbird, in six weights plus Outline and Outline Shadow styles. Alternates include round forms for ‘kwAKW’, biform glyphs for ‘M’ and ‘N’, and a symmetrical ‘U’ [1976 Headliners catalog]. Later shown as neo-Thunderbird 2, without any obvious changes [undated catalog]. Used already in 1968.