Fig. 1
Photographs and micrographs of selected circulated one dinero coins. a photograph of (i) the 1899 dinero under study, (ii) a highly worn 1875 specimen (where most of the raised details in the devices –seated Liberty Lady and coat of arms- are lost), (iii) a contemporary 1898 example and (iv) a well preserved 1903 specimen in a very fine state. The approximate X-ray spot size has been drawn to scale. b Wear patterns (surface pits and scratches) observed on the seated Liberty Lady’s face on the reverse of each coin