From lindibaby.tumblr.com/post/26664415079/courtroyale-mantua-english-court-dress.
This shows the bodice ending in a basque spreading out on the sides and the custom embroidery of the skirt.
Keywords: 1740, Leconte, British, square neckline, modesty piece, stomacher, revers, elbow length tight sleeves, cuffs, engageantes, lace, basques, buttons, natural waistline, panniers, maxi-length skirt, mantua