Incoming Nuud

What does the "€" thingus mean

OK, listen the Nuud corporation claims that my multi-day Dutch armpit pomade shipped from Utrecht “is on its way - our shipments come CO2 neutral via regular mail right into [my] mailbox 🌱” for the low low cost of “€12,95” which could literally mean anything to me. $100? $10? Comma theirs, not mine. I think I knew it was from the Netherlands, but I’m n…