| Paper |
 P66
 |
| Date of use | 1762 - 1763 |
| Paper mill | Francesco Fondrieschi, Toscolano |
| Commentary | The distance between countermark and cornermark can differ by several millimeters. |
| Concordances | Denny 1762-FF-1 |
Watermark P66A
| Watermark | 3 crescents |
| Selenometrie in mm | xz: 83, xy: 20 |
| 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 | xz: 81, xy: 22 |
| 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, WK60S, WK71P, WK72D, Salieri |
| Scores written on paper P66 | Gluck_17783, Gluck_9949, Gluck_CS-3971, Hasse_17297, Hasse_N.I.10287a-c, Scarlatti_17851 |
| Staff ruling on paper P66 | 10/184C, 10/c.184 |