other side of the coin

Around 1900 from other side of the medal, from other side of the shield.

the other side of the coin (plural other sides of the coin)

1. A different aspect or way of seeing or thinking about something.

   Synonym: flip side

   You can work all day and get a lot of money, but the other side of the coin is that you'll have less time to spend with your family.

• by the same token