‘Sacrum convivium’ altar card with musical notations. Unrecorded.

[Carta gloria] / [Altar Card]. Sacrum Convivium. In solennibus, duplicibus festis. In Missis B. Mariae Virginis. In Dominicis, & festis semiduplicibus. In festis simplicibus. Gloria in excelsis Deo. Trevirensis [Trier]: “Apud Lonhard Fischer,” s.a. [late 18th century]. Full sheet [39.8 x 33.9], [1] f. letterpress leaf printed in black and red on laid paper, with figurative woodcut and woodcut initial, woodcut musical notations, and typographical border. Toning, staining, wrinkles, folds, edge wear, and marginal pin holes from mounting. 
 
 
Unrecorded late 18th-century Trier altar card printed in red and black and decorated with a (rather vernacular) woodcut of the Last Supper. The item is unusual for its inclusion of musical notations of the “Gloria in excelsis Deo” as adapted for use in different festivals.
 
Altar cards, also known as cartaglorie or canons d’autel, are placed on the altar during the Tridentine Mass to serve as memory aids to priests. Typically decorated with woodcut or engraved images and enhanced with color, altar cards often were used to pieces, and so early examples are today quite rare.
 
The altar card offered here is known as a ‘Sacrum convivium’ card and was placed at the center of the altar. (A full set of three cards usually consists of a large central card placed at the center of the altar and two smaller cards placed on the left and right.)  This card contains the script of the Latin words and bodily operations (e.g., crossing himself, displaying the Host, offering the chalice, etc.) for a priest performing the eucharist.
 
Altar cards were in use by the 15th century, but “Only in the late sixteenth century did it become general practice for a priest to place such an object in full view on the altar” (P. Schmidt, in Origins, p. 164). 
 
This undated altar card was published in Trier by a certain Lonhard Fischer. I trace no other published items by this figure. The style of the typographical borders suggests to me a publication date at the end of the eighteenth century.
 
 
OCLC, KVK, and OPAC/SBN/ICCU do not locate this item.
 
* Peter Schmidt, “Liturgische Einblattdrucke: Neue Funde und Überlegungen zur Frühgeschichte der Kanontafel im 15. und 16. Jahrhundert,” Gutenberg-Jahrbuch, 2010, pp. 25-41.