<Table> One pound <Tr> <Th_colspan="2"> (United Kingdom) </Th> </Tr> <Tr> <Th> Value </Th> <Td> £ 1 </Td> </Tr> <Tr> <Th> Width </Th> <Td> 128 mm </Td> </Tr> <Tr> <Th> Height </Th> <Td> 65 mm </Td> </Tr> <Tr> <Th> Security features </Th> <Td> Raised print, metallic thread, watermark, microlettering, UV feature </Td> </Tr> <Tr> <Th> Paper type </Th> <Td> Cotton </Td> </Tr> <Tr> <Th> Years of printing </Th> <Td> 1727--present 1987--present (current design) </Td> </Tr> <Tr> <Th_colspan="2"> Obverse </Th> </Tr> <Tr> <Th> Design </Th> <Td> Louise Thornton </Td> </Tr> <Tr> <Th> Design date </Th> <Td> </Td> </Tr> <Tr> <Th_colspan="2"> Reverse </Th> </Tr> <Tr> <Th> Design </Th> <Td> Edinburgh Castle </Td> </Tr> <Tr> <Th> Design date </Th> <Td> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> (United Kingdom) </Th> </Tr>

When did the scottish pound note go out of circulation
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