An uncial typeface designed by Victor Hammer in 1921, cut by Arthur Schuricht [Reynolds] and first cast by Klingspor in 1923 [Linotype] in three sizes [1925 ad]. Also known as Hammerschrift.
Photo-Lettering had a phototype version as Hammer Uncials. [PLINC One Liner 1971]
Martel (Scriptorium, 1993) is a shoddy digital interpretation.
Not to be confused with American Uncial (1943) a.k.a. Neue Hammer-Unziale (Klingspor, 1952).