What is going on with this 42 Mercury dime's date?

CoinWW2

It is a D mintmark, but no 42/1 D varieties (keep in mind, the 42/1 D coins are much less obvious DDOs than the P mints) I see look doubled above. What is this? Just PMD?

FredWeinberg

I can see very slight doubling of the date in the scan,
if that's what you're talking about.

If so, it's the common 'ejection' or 'mechanical'
doubling that is extremely common on many
many coins of all dates and denominations,
including lots of Mercury Dimes............

DIMEMAN

It's definitely not the 42/1 D.

MsMorrisine

But keep up the hunt!