Aes Premonetale. Aes Rude. Cast bronze fragment, central Italy, 8th-4th century BC. Vecchi ICC 1. AE. 296.00 g. R. About mm. 79x55x21. Untouched earthen deep olive green patina, with turquoise spots. Aes Rude weights are most irregular, ranging from 8 g. to over 300 g. Our specimen is a particularly heavy example; it has about the weight of an Osco-Latin libral as.