Perhaps something can be issued for the 160th (2019) anniversary to make up for the denied 150th (2009) anniversary through the current U.S. government.
To deal with not getting a stamp, they made their own vanity picture postage stamp. However, they did get an official first day commemorative post office cancel.

In 2008, it was even pointed out in the hopes that the U.S. would issue a similar stamp that Canada issued a stamp for their 150th petroleum anniversary in 2008. However, it did not change their minds.
