A set of the Martian moons Phobos & Deimos.
(Both models are currently fully solid all the way through thus the cost)
(1:500,000) version (small)
(1:250,000) version (large)
Individually:
Phobos:
(1:500,000) version (small)
(1:250,000) version (large)
Deimos:
(1:500,000) version (small)
(1:250,000) version (large)