Chocolate Trading Co. is having a Father's Day sale with 10% off all regularly priced items. There is no minimum purchase requirement. The sale lasts through Friday, June 13th, at 4 p.m. local time (they are located in England).
Chocolate Trading Co. is a good online retailer for those in the U.K., and has a broad selection of bars from Amedei, Bonnat, Michel Cluizel, Domori, Duffy's, Grenada, Lindt, Chocolat Madagascar, Marou, Menakao, Pralus, and Valrhona.
Use discount code FATHER14 during checkout.