Depends on your definition of fire.

Guess that all those Olympic fires on coins should not count ...
Depiction of such "wild flames" above a city will be rare, maybe even unique. Historically, coins commemorating major city fires would usually emphasize the reconstruction efforts. This German 3 RM coin for example shows the city of
Magdeburg after the destruction in the Thirty Years War. Even the text refers to the "renaissance" afterwards.
Also, here are two medals about "important" fires. The first one is from
Glarus (CH) and commemorates the 1861 fire. It shows the destroyed town but is primarily about the reconstruction. Similarly, after the devastating fire in Hamburg (DE) in 1842, several medals were issued, but typically with the same "we made it" message.
This one for example shows the inner city, and on the other side, Phoenix above a fire.
Christian