According to a note in Árni Magnússon's hand on fol. 1, the entire manuscript is a copy of Don. var. 136 4to.
Open space left for initials in item 2 and, partly, item 3.
Same Icelandic scribe as in AM 10 4to.
Some parts are, however, in Árni Magnússon's hand.
There are three AM-slips: one pasted to fol. 80 and two appended to fol. 97.