A similar case regarding "In God We Trust" on U.S. currency was rejected by the 2nd U.S. Circuit Court of Appeals in 2014.

The phrase “In God We Trust” is a well-known motto in the United States, prominently displayed on many forms of currency. It ...

Don't bother to hoard your Series 1935G dollar bills; even though they lack the motto "In God We Trust," they won't be worth more than $1. The CRIMSON learned last week from several Harvard ...