<Tr> <Td> Constitution Order (1969) </Td> <Td> Operation Torch (1942) </Td> <Td> Barbary ape </Td> </Tr> <Tr> <Th> £ 0.10 </Th> <Th> £ 0.20 </Th> <Th> £ 0.50 </Th> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> The Great Siege (1779 - 1783) </Td> <Td> The Keys of Gibraltar </Td> <Td> Our Lady of Europe </Td> </Tr>

Why are commemorative coins legal tender in gibraltar