You are asking about a 2 1/2 Cent coin from the Netherlands (KM#150 or KM#171). There were two coins produced for the Netherlands that year; one as an independent kingdom and the other as occupied by the Germans.
The independent kingdom coin (KM#150) is 23mm in diameter, weighs 4 grams, and is made of bronze. Minted during the reign of Queen Wilhelmina I, the obverse (front) bears an image of a lion wearing a crown and holding a sword, with the date below and the words "KONINGRIJK DER NEDERLANDEN" (Dutch for "Kingdom of the Netherlands") above, and the reverse (back) has the denomination ("2 1/2 CENT") surrounded by a wreath. 19,800,000 such coins were produced in 1941. According to the Standard Catalog of World Coins, an example is worth US$1.25 in Fine condition, US$2.00 in Very Fine condition, US$3.00 in Extremely Fine condition, US$6.00 in Uncirculated condition, and US$9.00 in Brilliant Uncirculated condition.
The occupied coin (KM#171) is 20mm in diameter, weighs 2 grams, and is made of zinc. The obverse bears an image of two swans on a roof and the word "NEDERLAND" above, and the reverse (back) has the denomination ("2 1/2 CENT") surrounded by four waves, as well as the date on the lower right. 27,600,000 such coins were produced in 1941. An example is worth US$1.00 in Fine condition, US$3.00 in Very Fine condition, US$5.00 in Extremely Fine condition, US$15.00 in Uncirculated condition, and US$40.00 in Brilliant Uncirculated condition.
A 1941 US half dollar in good condition is worth about $9. If it is in uncirculated condition, it would be worth about $26 to $40.
New Zealand introduced decimal currency in 1967 and have never produced a half cent coin.
1/2 a cent!
The last US half cents were dated 1857.
Roughly a cent and half. Depending on exchange rates.
A '60 Franklin half is worth about $11-12.
Half a dollar
It would be worth 0.005 US dollars
A 1950 5 cent Juiana Koningin Der Nederlanden coin is not worth very much. On average, it will sell for between $1.00 and $15.00 on eBay, you may be able to get a little more from a private collector.
The 1851 Braided Hair Half Cent is not a rare coin. In average circulated condition the coin is valued at $45.00-$80.00.
As at 18Feb09 one US Cent was worth about half an Indian rupee, one US Dollar being worth INR49.80.
A U.S. 1955 half dollar is worth about $15.00.