Issued by Krebs before 1902. Reproduced in Petzendorfers Schriftenatlas, Neue Folge.
Phototype adaptations are shown by Lettergraphics in 1968 and 1976 catalogs as Robust, and by Dan X. Solo in Art Nouveau Display Alphabets (Dover, 1976) as Bishop.
Peter Wiegel issued an OFL-licensed digitization under the original name in 2020 (used for sample).