Birds made a nest on it and you retrieved it after the baby's had hatched and flown away.
Paper of some sort
Fumes
Chemicals
Heat
What caused it was a "Coin Doctor"
In your pet snakes cage under a heat lamp with a bit of snake poo on it
Found it in a sauna
bathroom sink counter top and bathproducts got spilled on it
Mailbox in an envelope that was in there while on vacation
It was left in your pocket in the dryer
dishwasher find
Monster box
fell in kitty litter box
pool water
Stuck it inbetween the mattress and box springs
Sat on someones skin for along time
it was puked on :D
A Plaque to a soldiers first salute
What year is it?
Separate names with a comma.