This font contains a bunch of useful ligatures, and by typing 'N', 'r' and period or 'N', 'o' and period plus activating the discretionary ligatures you get an oldstyle numbersign. As usual in my blackletter fonts, the # key is occupied by the 'round' s.
Font Family: Staufer Gotisch
Tags: 1930s, blackletter, booktitles, decorative, diplomas, display, engraved, german, gotisch, heraldry, historical, medieval, posters, redesign, revival, signboards, staufer, tooled, vintage