Series of miniatures from the 18th to the 19th century

Beautiful series of Miniatures from the same collection, consisting of two figures of a gentlewoman and a gentleman, a miniature (brooch) depicting a gentleman, a small miniature attached to silk, a miniature in a silver frame and a large miniature in a leather frame depicting a young girl. Period from the 18th century to the 19th century. Dimensions: three miniatures are 7x5.5 cm, one miniature is 6 x 4 cm, one miniature is 8 x 9 cm with frame (miniature only 6.8 x 5.5 cm), one miniature with silk with silk frame 6.5 x 6.5 cm, miniature only 3 x 3 cm