Undetectable, They Cling to the Envelope

35-year-old man at post office: I'd like to buy some stamps, please.
Postal employee: Here you go. (hands him generic stamps)
35-year-old man: Do you have any stamps that are a bit… cooler?
Postal employee: What did you have in mind?
35-year-old man: I don't know… Ninjas?

Post Office
California

Overheard by: Jamie