So, the water leak appears to be contained

If we wake up tomorrow and everything is still dry, I'll cancel the appointment with the plumber.  Luckily, it looks like there was no real damage except a bit of superficial damage under the sink in the counter.  Nothing major though that I can see.

7 rolls of nickels

1948-D
1955-D
1958-D

7 rolls of pennies

48 pre-1982 coppers