Thirty-eighth Oink - Hello Piggy

I contain one 100 yen coin, two 1 pound coins, one 20 pence coin, thirty-five 5 pence coins, twenty-one 2 pence coins and fourteen pennies. I weigh 509 g and I am worth 4 pounds 51 pence. I wonder what I could buy with £4.51.Nine 2 pence coins added today.