According to Mass Media in Ancient Rome:
Painted advertisements for games have survived under the ashes that buried Pompeii in 79 GC. These advertisements promoted the games’ sponsors as well as the games themselves:
Brought to you by Decimus Lucretius Satrius Valens, permanent priest of Nero Caeser, son of Augustus, twenty pairs of gladiators. And presented by Decimus Lucretius, son of Valens, ten pairs of gladiators. They’ll fight at Pompeii from the sixth day before the ides of April, through the day before. There will be a standard venatio [animal fights or men hunting animals] and awnings [to provide shade for spectators].
Around two millennia later the Houston Chronicle notes:
In Caesarian times, a Roman named Maius published in the Acta Publica one of the first known advertisements:
For rent in the Arrio Pollian Block belonging to Allieus Nigidus Maius, shops with rooms above, second-story apartments fit for King and House. Apply to Primas, slave of Maius.
About 19 centuries later, in the Chronicle's second-day edition, an ad ran that was similar in form, if not content:
$50.00 CASH and a small monthly payment at 5 per cent interest will secure a lot in the Empire addition, at the end of Fannin street car line. Better buy at once while you can have choice. Hooper, Fuller & McClintock, 218 Main.
Some additional sources: