Forty-first Oink

I contain one 100 yen coin, one 20 fillér coin, two 1 pound coins, one 20 pence coin, thirty-seven 5 pence coins, twenty-six 2 pence coins and fourteen pennies. I weigh 552 g and I am worth 4 pounds 71 pence. I wonder what I could buy with £4.71.Two 5 pence coins added today.