Sassanian tiny intaglios SH75
Two tabular seals, one in lapis lazuli depicting an oryx, the other, slightly chipped, in cornelian, depicting a monogram.
Found in Afghanistan.
Sassanid empire (AD 224-642).
Read
The Art of the Sassanian and on Sassanian Seals from the Collection of the Late Edward Gans, at UC Berkeley here.
Lapis: 8.5 x 8.5 x 2 mm.