The larger tear drop cameo is suspended from a classic festoon chain. Sold This close up gives you a better view of the figure portrayed. Here you can see that there is nice detail in this carving, and the artist has employed multiple layers to achieve more dimension. The background is a subdued brownish orange, the profile and flower are white and the folds of his toga are a darker brownish orange. The use of the multiple layers to create a fuller image and more dimension are a true sign of the artist's talent.
Condition is also very important to the value.
The original owners of this wonderful necklace surely took very good care throughout numerous generations. The cameos do show some wear, indicative of their older age, circa 1830. This neckalce would be a wonderful addition to a fine cameo collection as pieces like this are very hard to find.