 In 1984 Celtic took up shirt sponsorship for the first time, with Fife-based double glazing firm CR Smith having their logo emblazoned on the front of the team jersey.In season 1991–92, Celtic switched to Glasgow-based car sales company Peoples as sponsors.The club failed to secure a shirt sponsor for season 1992–93, and for the first time since the early 1980s Celtic took to the field in 'unblemished' hoops.