they are selling for $18.95 on ebay..hope this helps
Any coin with a "genuine" minting flaw would have some value, above the usual, as a collectible coin.Genuinely flawed coins are not necessarily known about or documented until somebody turns up with...
wheat pennies were made by the billion back then and are not worth more than 50 cents even uncirculated
Most coins show a lot of wear and are valued at $8.00-$9.00 the better grades run $20.00-$30.00 for circulated coins.
It depends on which country it came from. There are numerous countries that minted half pennies in 1940 including Australia and the United Kingdom.