| Paper |
 P12
 |
| Date of use | 1768 - 1774 |
| Paper mill | Andrea Fossati, 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. |
Watermark P12A
| Watermark | lying crescent / AF in coat of arms |
| Countermark | lying crescent / 3 stars (6 points) in coat of arms |
| Source | A Wn Mus.Hs._1057_2_fol119v120r113v114r |
 |  |  |
| watermark | countermark | sheet  |
Twinmark P12B
| Watermark | lying crescent / AF in coat of arms |
| Countermark | lying crescent / 3 stars (6 points) in coat of arms |
| Source | A Wn Mus.Hs._1057_1_fol146v145r152v151r |
 |  | |
| twin watermark
| twin countermark
| twin sheet |
Copyists and works |
|
| Copyists using paper P12 | WK68J, WK68K, WK71A, WK71B, WK71D, WK71F, WK71K, WK71U, WK72E, WK72Z, WK73Q, WK73R, WK73U, WK74C |
| Scores written on paper P12 | Anfossi_18047, Anfossi_Q1129, Galuppi_18067, Gassmann_17775, Gazzaniga_17777, Sacchini_1057, Salieri_10073, Salieri_10075, Salieri_1053, Salieri_17840 |
| Staff ruling on paper P12 | 10/189K, 10/c.189, 12/182A, 12/186C |