The Wikipedia article on old-style figures [0] gives the impression there was something of a religious war between their proponents and the proponents of titlin

The Wikipedia article on old-style figures [0] gives the impression there was something of a religious war between their proponents and the proponents of titling figures when the latter were first introduced (with words like 'preposterous' being thrown about), so maybe it was rare or even unknown for fonts to contain both before the advent of digital typesetting. In the drawing you link to, are those small caps on the left side of the upper case? [0] https://en.wikipedia.org/wiki/Text_figures https://en.wikipedia.org/wiki/Text_figures