Chocolate company Cadbury just lost a decades-old royal stamp of approval bestowed by Queen Victoria herself, causing widespread speculation as to why.

COMMENT: As the Birmingham-born chocolate brand loses its royal warrant, Katie Rosseinsky presents the case against this iconic British treat

Cadbury has not been awarded a royal warrant for the first time in 170 years, barring the company from using the Royal Arms on its products for the foreseeable future. The famous chocolate brand — highly regarded for being the late Queen Elizabeth II’s favorite — was one of 100 companies removed from the list of those awarded the globally recognized mark of excellence.