AD 276-293 · Z-21142, Z-21317
AD 274-293 · Z-21323
nd · Z-76930
All 10 dates
ND · Z-90229, Z-91411, Z-101079, Z-163924, Z-163925, Z-172511 +77
ND (circa 276-293 CE) · Z-221929
ND (276-293 CE) · Z-221931
ND (Phase I. 276-293 CE) · Z-236718
ND (276-292 CE) · Z-265330
ND (after 276 CE) · Z-299669
ND Phase 1, 276 CE or slightly later · Z-306099