Piedmontese School, 18th Century - Portrait of a Lady

Portrait of a Lady
label QS:Lit,"Ritratto di Gentildonna"
label QS:Lhu,"Hölgy portréja"
label QS:Lpl,"Portret damy"
label QS:Lsl,"Portret dame"
label QS:Lnl,"Portret van een dame"
label QS:Lru,"Портрет дамы"
label QS:Les,"Retrato de una dama"
label QS:Lde,"Bildnis einer Dame"
label QS:Lpt,"Retrato de uma senhora"
label QS:Lbe,"Партрэт дамы"
label QS:Lfr,"Portrait d'une dame"
label QS:Lmk,"Портрет на дама"
label QS:Len,"Portrait of a Lady", presumably Princess Eleonora of Savoy (1728-1781), daughter of Carlo Emanuele III of Sardinia
Identification proposed by user Ecummenic (talk) on 21 February 2023, based on the comparison with some portraits of that princess (see images below)