2 coins that equal 30 cents City of London

There are a great deal of potential responses individuals are giving via online entertainment, some of which have proactively been referenced:
1. There are two coins in a specific order: one is nickel, the other isn't; it's a quarter all things being equal.
2. The first is a quarter, and the second is a nickel… it's a silver half-dime.
3. A dime and a twenty-penny coin are the two coins worth one cent.
There were a ton of enigmas via virtual entertainment just like 2 coins that equal 30 cents .