| Paper |
 P37
 |
| Date of use | 1773 |
| Paper mill | Antonio Avanzini, Toscolano? |
Watermark P37A
| Watermark | cloverleaf / A |
| Countermark | 3 crescents |
| Selenometrie in mm | xz: 74, xy: 17 |
| Source | A Wn Mus.Hs._18059_2_fol199v198r200r201v |
 |  |  |
| watermark | countermark | sheet  |
Twinmark P37B
| Watermark | cloverleaf / A |
| Countermark | 3 crescents |
| Selenometrie in mm | xz: 93, xy: 19 |
| Source | A Wn Mus.Hs._18059_2_fol191v190r193v192r |
 |  |  |
| twin watermark
| twin countermark
| twin sheet |
Copyists and works |
|
| Copyists using paper P37 | WK67B, WK73F |
| Scores written on paper P37 | Felici_18059, Galuppi_18067 |
| Staff ruling on paper P37 | 10/191B, 10/c.184 |