Tabletop-Art gives you some morbid new releases up in their webshop with two new grave stone sets.
From the release:
Set 1 includes 10x grave stones.
Set 2 includes 7x grave stones with many small details, such as skulls, vines and roses.
These are suitable to tinker a cemetery or for the design of bases. Ideal for miniatures in scale 28-30mm.