A: I need some stamps for my collection.
B: What kind of stamps do you like?
A: I guess natural landscapes.
B: How about this sheet? Every stamp is like a beautiful painting.
A: That's nice. How much is it?
B: 50 cents for each.
A: I want to buy two of them.
B: Sorry, these stamps are only sold in sets.
A: Too bad. Do you have any other stamps?
B: We have some stamps that just came out. I'll show you.
A: They look nice. I want to buy some.
B: What denomination?
A: 2 in 37 cents.
B: Here you are.