[Paul R.]

It should, but depending on what’s in the water, the thin electroplated copper coating (on all pennies since 1882) might corroded off fairly quickly.

https://search.brave.com/search?q=can+water+corrode+copper%3F&summary=1&conversation=0912c1175c0e28cc8e59f29040106713a392

[Albion Wilde]

Thanks! We’re going to miss those pennies one of these days. Everybody will start selling their penny jars eventually...