Mid 20thC Style Craig Goch 1960 £75 Pentre Ifan 1960 £50 Carreg Cennen 1960 £30 Cynghordy Viaduct 1960 Knucklas Viaduct 1960 £35 Ardentinny Beach 1960 Builth Wells 1960 Cynghordy Viaduct 1961 £75 Headstone Viaduct 1960 £75 Knaresborough Viaduct 1960 £75