Missus est angelus Gabriel ad

Source: 
Kansas City (MO), University of Missouri-Kansas City, LaBudde Special Collections - Miller Nichols Library, M2147.C53 1500z
Folio: 
003r
Sequence: 
1
Feast: 
Nominis BMV
Office/Mass: 
V
Genre: 
A
Position: 
1
Cantus ID: 
003794.1
Mode: 
?
Differentia: 
?
Differentia database: 
?
Manuscript Reading Full Text (standardized spelling): 
Missus est angelus Gabriel ad virginum desponsatam Joseph et nomen virginis Maria
Manuscript Reading Full Text (MS spelling): 
MISsus est angelus gabriel ad virginem desponsatam joseph et nomen virginis maria | ~Dixit #
Indexing notes: 
Rubric at top of page = Ad Vesperas; the folio has been trimmed resulting in missing staff lines and text at the bottom; the psalm incipit is "Dixit dominus" (folio is too damaged to see the word "dominus" even though musical notation can be detected where the word/abbreviation for "dominus" would have been - but a differentia is not legible, nor is a clef visible so the mode is unknown);