This piece seem to be one from Händels
Italian-influenced improvisations. It comes from the
estate of Hans Georg Nägeli (†1836), who possessed a
rich treasure of musical manuscripts, and therefore has
no HWV-number.
ABRSM Grade 6 (Associated Board of the Royal Schools of
Music, 2021-2022, 2023-2024, 2025-2026, Fantasia in A)