You could buy
You can buy one of the following:
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Souvenir guide to the Natural History Museum
Souvenir guide to London's Natural History Museum for £4.50 ($U138.70) -
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Shopping list
You can buy all of the following:
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1 A speck of dust made of anti-hydrogen gas
A speck of dust made of anti-hydrogen gas for US$0.05 ($U1.07) -
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1 A grain of sand made of double gloucester
A grain of sand made of double gloucester for £0.00 ($U0.00)