Heading counter clock wise around the room you find:
3: Lid is crocodile headed humanoid, with cartouche. Inside is a small pile of silver coins (200sp) and a small green crystal rod also inscribed.
2: Lid is an ibis headed humanoid, with cartouche. Inside is another mummified corpse. This one holding several dried flowers and a white crystal rod also inscribed.
1. Lid is a scarab headed humanoid, with cartouche. Inside is another mummified corpse. This one is holding a very nice looking longsword engraved with gold-inlayed hieroglyphics and a blue crystal rod also inscribed.
5. Lid is a hippopotamus headed humanoid, with cartouche. Inside is another mummified corpse and a red crystal rod also inscribed.
6. Lid is an asp-headed humanoid, with cartouche. Inside is another mummified corpse holding an orange crystal rod also inscribed. 3 copper coins are arranged in a triangle on it's upper chest pointing towards it's chin.
7. Lid is a ram-headed humanoid, with cartouche. Inside is yet another mummified corpse, this one holding a purple crystal rod also inscribed.
(Note that the only casket that seemed to hold magic was the first one opened)