=033 ##$a1520 =001 1000000137 =240 ##$aNA$02 =245 ##$aMS Mus. IV =300 ##$amanuscript of polyphony, $c405 x 275 =340 ##$dpaper =592 ##$aSeven watermarks, four identical or similar to marks in Briquet (#493, #4450-3, #4764, #9599) =774 ##$w1000001049 =774 ##$w1000001050 =774 ##$w1000001051 =774 ##$w1000001052 =774 ##$w1000001053 =774 ##$w1000001054 =852 ##$aI-MOd$cMS Mus. IV$eDuomo, Biblioteca e Archivio Capitolare$x400 =856 ##$uNA$zNA