I've just got mine out. It doesn't have a pontil mark, but it does contain several bits of ash and a fair few bubbles, and has a high manganese content (an intense yellow/green glow under UV). The handle is also applied so that the bottom is just lower than the base. I don't think it's 1980s quality. It also holds a pint with room for a head, so I reckon made for the UK market and not too recently.