Four unsigned 18th century miniatures in copper alloy...

Four unsigned 18th century miniatures in copper alloy hanging frames:
- Portrait of a gentleman in a bust.
Miniature oval.
3 x 2.5 cm (at sight). Small wear and tear.
- Portrait of a man in armour, in a bust.
Miniature oval.
5.4 x 4.7 cm (at sight).
- Portrait of a little three-quarter length boy in a red suit, holding his black tricorn.
Miniature oval.
6 x 5 cm (at sight). Wear and tear and small lacks.
- Portrait of a woman in a blue dress, in a landscape.
Circular miniature.
Diameter: 5.5 cm (at sight). Wear and tear, stains on top.