Vintage Halfmoon 1996 Dr Who Set Of Four Different Mug Mats Drink Coasters Featuring The 4th Doctor - Shop Stock Room Find. Released by Halfmoon in 1996 as part of their classic Dr Who series of drinks coaster sets. This fantastic Dr Who Drinks Coasters Set contain four different Mug Mats with different artwork images including - The 4th Doctor (Tom Baker), The Tardis, The Daleks and the Voc Robot. Each coaster measures 10cms by 10cms and have a cork back. Shop Stock Room Find. Discovered in a store room of a closing down shop with a whole host of other items from a similar era. All orders received before 4.00pm Mondays to Fridays are dispatched the same day.