I'm pretty sure they are. they have the "notches' in them? I have some as well.
I'd bring them if I were you.
pete
"If you are not curious, you will learn nothing" -Goethe-
"When you're born in this world, you're given a ticket to the freak show.
And when you're born in America, you're given a front row seat." George Carlin
Yep that is them. I have had these for years. I stayed for the two years when the next to last shower was broke and required no tokens so I built up a small pile. Then some do gooder reported it and we had to start using the tokens. LOL. Doing final packing today and will be there Saturday. See you then and any other chatters in the park.