Human-headed heart scarabs were made since the second Intermediate Period (left example) and very naturalistically depicted funerary scarabs in faience or hard stones are of the Late Period (right example). The latter are falcon-, ram- or bull-headed of unsure significance and were placed in groups on the chest of mummies1

Human-headed green jasper heart scarab, front
Human-headed green jasper heart scarab, inscribed back

Human-headed green jasper heart scarab repaired H 5.3 Second Intermediate Period, Dynasty 13 Bonham’s Antiquities lot 76, 13 October 2006

Carnelian falcon-headed scarab, top view
Carnelian falcon-headed scarab, side view

Carnelian falcon-headed, damaged
L 2.2, W 1.4, H 0.9
Late Period Art market

Reference

1Andrews C. Amulets of Ancient Egypt, 1994, p. 59 and Figs. 59a,b,c