A durable cup or other vessel used for drinking made of metal and coated in enamel.
1852, Ellen Clacy (diarist), cited in Susan Lawrence, "Households on Australian goldfields" in Penelope M. Allison (ed.), The Archaeology of Household Activities, London: Routledge, 1999,
‘a block of wood forms a table, and this is the only furniture; many dispense with that. The bedding, which is laid on the ground, serves to sit upon. Tin plates and pannikins… compose the tea service.’