However, given the Mercury's recent paint job, the Shastone Monuments ad was likely a goner... Indeed, it has been wiped away...
The Mercury Lounge opened in 1993. Prior to that, Shastone Monuments -- part of Houston's once-thriving gravestone industry -- called this space home for nearly 60 years. You can read more about Shastone here at Mr. Beller's Neighborhood.
Previously on EV Grieve:
Some faded ad glory reappears above the Mercury Lounge