Marcus Aurelius as Caesar. 40-as; Marcus Aurelius as Caesar; 139-161 AD, Rome, c. 150 AD, As, 13.05g. Strack-1031a (1 spec., Berlin), pl. XVI (same dies). Obv: AV[RELI]VS CAE - SAR AVG PII F Head bare r. Rx: PIE - TAS and S - C across field, TR POT III - C[OS II] on l. and r., Pietas standing l., extending r. hand above draped child standing at her feet, and holding open incense box in l. hand. Ex Curtis L. Clay Collection; ex Savoca Blue E13, 1 Dec. 2018, lot 1434. Rare variety, perhaps from one reverse die only, with PIETAS across field rather than in exergue as usual.Microscopic porosity. EF