Concerto G-major, for Viola and Orchestra (mit obligatem Violoncello)
(Jappe 192 f.) Identical to the concert VB 153a (= VB deest) by Joseph Martin Kraus https://music4viola.info/work-info/3/Hoffstetter%20R./concerto-g-major-for-viola-and-orchestra-mit-obligatem-violoncello