Coins of the pound sterling also became known as a "pound". (240 actual pennies, however, weighed only 5400 troy grains, known as tower pound, a unit used only by mints. The tower pound was abolished in the 16th century.) The silver penny remained the primary unit of coinage for about 500 years. The purity of 92.5% silver (i.e., sterling silver) was instituted by Henry II in 1158 with the "Tealby Penny" — a hammered coin. Over the years, the penny was gradually debased until by the 16th century it contained about a third the silver content of a proper troy 24 grain pennyweight. By 1915,
How Many Licks? (Oh My)", Neal wrote that Tweet's focus on masturbation was a better expression of black female sexuality. The remix of "How Many Licks?" was also praised in retrospective reviews. In a 2015 article, Michael Arceneaux of VH1 called it "an under-appreciated gem" and suggested that Lil' Kim record another collaboration with Neptunes member Pharrell Williams in the future. According to Arceneaux, the remix is treated with "great reverence" by fans. Mark Anthony Neal was more critical of the remix due to Fabolous' lyrics ("Oops, there goes my kids on your face"), saying that the addition changed the song's message from