Two cameos Yellow metal

Both of oval design, one featuring a lady's portrait looking right, to a rope-twist and faceted border, the other one featuring a chariot and horses, to a rope-twist border; both with pin and safety chain, unmarked (2)

The items have been XRF tested and found to be the chariot cameo's chain 12ct gold, the frame 7ct gold, the pin base metal; the lady's profile cameo's frame 9ct gold, the chain 5.5ct gold, the pin base metal, with some nickel content.