White spot on duck egg in lockdown

[thatgirlmaude]

I have duck eggs in lockdown and just noticed a white spot on one of the eggs that wasn’t there before, should I be worried? They were all good before lockdown.

 

[nuthatched]

Is it a pip? Or a drop?

 

[thatgirlmaude]

Is it a pip? Or a drop?

The best I can tell it doesn’t look like a pip. It was never dropped tho.