This typeface includes a lot of beneficial ligatures, and by typing 'N', 'r' and period or 'N', 'o' and duration plus triggering the discretionary ligatures you get an oldstyle numbersign. As usual in my blackletter typefaces, the # secret is inhabited 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