| Paper |
 P41
 |
| Date of use | 1769 - 1771 |
| Paper mill | Antonio Seguito, Lusetti, Toscolano |
| Commentary | Mark and countermark are arranged vice versa in the two twins. The description of the watermark is referring to the A-twin. P41 often appears together with P73 in mixed quires. |
Watermark P41A
| Watermark | lily / AS |
| Countermark | 3 crescents / A |
| Selenometrie in mm | xz: 77, xy: 13 |
| Source | A Wn Mus.Hs._17833_1_fol74v73r80v79r |
 |  |  |
| watermark | countermark | sheet  |
Twinmark P41B
| Watermark | lily / AS |
| Selenometrie in mm | xz: 79, xy: 15 |
| Countermark | 3 crescents / A |
| Source | A Wn Mus.Hs._17833_1_fol77v78r75v76r |
 |  |  |
| twin watermark
| twin countermark
| twin sheet |
Copyists and works |
|
| Copyists using paper P41 | WK68F, WK70A, WK71D, WK71E, WK71F, WK71L, WK71M, WK71Q |
| Scores written on paper P41 | Sacchini_17830, Sacchini_17869, Salieri_17833 |
| Staff ruling on paper P41 | 10/184K, 10/192D |