Two overlay decorated glass snuff bottles

Two overlay decorated glass snuff bottles
19th century
The first carved through a layer of black overlay to an opaque pink ground, displaying monkeys, peach sprigs, and insects; the second a semi-transparent dark blue bottle with applied opaque green overlay, carved around the walls with two vigorous dragons chasing a flaming pearl above roaming waves.
2 5/16 and 2 7/8in (5.8 and 7.3cm) high