| Paper |
 P66
 |
| Date of use | 1762 - 1763 |
| Paper mill | Francesco Fondrieschi, Salò, Toscolano |
| Commentary | The distance between countermark and sidemark can differ by several millimeters. |
Watermark P66A
| Watermark | 3 crescents |
| Selenometrie in mm | xy: 20, xz: 83 |
| Countermark | falling star (5 points) |
| Cornermark | ornament / FF (first F mirrored) |
| Source | A Wn Mus.Hs._17297_3_fol32v31r26v25r |
 |  |  |  |
| watermark | countermark | cornermark | sheet  |
Twinmark P66B
| Watermark | 3 crescents |
| Selenometrie in mm | xy: 22, xz: 81 |
| Countermark | falling star (5 points) |
| Cornermark | ornament / FF (first F mirrored) |
| Source | A Wn Mus.Hs._17297_3_fol30v29r28v27r |
 |  |  |  |
| twin watermark
| twin countermark
| twin cornermark
| twin sheet |
Copyists and works |
|
| Copyists using paper P66 | WK60G, WK71P, WK71W, WK72D |
| Scores written on paper P66 | Gluck_17783, Gluck_9949, Gluck_CS-3971, Hasse_17297, Scarlatti_17851 |