Format Oblong Number of staves 10 Total span 186-186.5 (mm) Single span 8.5-9 (mm) Watermark ID WM0019 WM0020 Source(s) P-Ln_FCR_024_1 P-Ln_FCR_554_10 P-Ln_FCR_558_1 P-Ln_FCR_563_10 Handwriting ID Silva, Joaquim Casimiro da