||Trio in G major
||Call, Leonhard von
|Opus/Catalogue NumberOp./Cat. No.
|Composer Time PeriodComp. Period
||flute, viola, cello
Dutch Royal Library estimates 1817 as first publication date for the 3 opus numbers immediately preceding (opp. 139 to 141, 3 string quartets, plates 2694 to 2696.). ca.1817 seems a reasonable though hardly proven guess here (the plate number is not that close, admittedly.)