Catalogued in RISM as “Symphonies–D major; Manuscript copy; D-KA Don Mus.Ms. 1790” by Anonymus. RISM 450013956
Same music
The one encoded movement matches: Overtures–D major (RISM 400012916, 1.1.1 Allegro).
Attributed copies compared (1 of 1 encoded incipit match):
1.1.1 Allegro · vl 1 · 15 of 15 pitches agree
''4F8-A4F8-A/86.3{F'DE}{DFG}{FAB}8{A''F}/!''4F8-A!f/8F'6.D3E8D6.F3G8F6.A3B8A''F/also RISM 550040745 1.1.1 Allegro
Catalogue data and incipits come from RISM (Répertoire International des Sources Musicales), CC BY 4.0. Incipits are rendered with Verovio. Source and data: https://github.com/aaymeloglu/rism-attributions.