Answer: CLIO

AnswerCrossword Clue
CLIOHistory muse
CLIOAd agency reward
CLIOAdman's award
CLIOAd writer's award
CLIOAward named for a Muse
CLIOAd-writing award
CLIOAward coveted on "Mad Men"
CLIOStephen E. Ambrose's muse
CLIOTelevision advertising award
CLIOAward for television commercials
CLIOTV advertising award
CLIOPitcher's prize?
CLIOTV advertiser's award
CLIOAd biz award
CLIOAward in the ad business
CLIOOne of nine sisters in myth
CLIOAward coveted in "Mad Men"
CLIOPrize for the top spot
CLIOAward given to the creators of Dos Equis' "The Most Interesting Man" ad
CLIOTop spot honor
CLIOOscar : films :: ... : ads
CLIOSister of Euterpe
CLIOThalia's sister
CLIOAd award
CLIOMuse of history
CLIOTelevision commercial award
CLIOAdvertising award
CLIOAward for creative directors
CLIOSister of Urania
CLIOTV ad award
CLIOMadison Avenue award
CLIOAdvertising-industry award
CLIOAd-biz trophy
CLIOHistorian's Muse
CLIOMuse and ad award
CLIOMuse, or ad award
CLIOMadison Avenue honor
CLIOOne of the Muses
CLIOMuse of history (4)
CLIOMuse for Herodotus