Platinum, like gold and other precious metals, has a fluctuating price depending on market conditions. To get today's market price for platinum bullion or platinum coins, check a newspaper or online precious metal dealer. For example, Monex (link below) tracks platinum. Be aware the price changes minute by minute, so if you are considering a large transaction, be certain to have an accurate price quote.
ALSO for 10 ounces is $14303.30 =D
The 1943 US pennies were steel, not platinum. Their worth depends on condition.
You take it to a professional for an approximate worth.
£6.45 - £30
His weight in platinum monkeys
$0.06 - $47.07
i think about 10000 per pound
i'd say over $10,000
about 50 trillion dollars worth
The US does not make platinum quarters because everyone would keep them for the platinum that is inside them and they would be worth way more than a quarter.
Platinum is about £1150 per ounce at the moment, so you are looking at about £3330 worth in 2.9 ounces, less though if you are selling to a scrap dealer.
2222 dollars
A penny does not contain platinum.