Described in Eboracum as 'Oculist's stamp, of green soapstone, rectangular, 1 and 7/16ins by 25/32 ins by 11/32 ins. It was for marking cakes of salve. ... The stamp reads, retrograde, IVLI ALEX(A)NDRI DIAMY(SVS) AD ASP(RITVDINES) 'Julius Alexander's salve for irritations.' '