£ (British Pounds for those without a UK keyboard) indicates that you bought a coffin in the UK? They are usually much less fancy than those offered by Walmart. Brits don't go for the double lid and curved top. So I would expect them to be cheaper but you did well at £70.
I'm not so sure about that. This one came from the UK:
May not have a double lid or a curved top, but it made a great coffin table.
