At present it's worth about $10, maybe a couple dollars more if it's in uncirculated condition.
$12.00
A Mint State Franklin half dated 1952 is $16.20 to $25.20 is MS-60 to MS-63.
One interesting fact about this coin is that Benjamin Franklin is playing the part of Ike. That's why most people call it a Franklin Half Dollar.
The 132 is part of a series made by Benjamin it covered models 130, 132 and 137. they were made in both .177 and .22 caliber. They were made between 1946-85. The name Benjamin Franklin was a marketing Gimmick. Walter Benjamin started the company back in 1899. Today Crosman air gun owns the company.
All Franklin half dollars are considered common, if it has any wear, it's valued only for the silver, about $12.00 as of 3-12-11. Retail values for Mint State 1952 coins is only $13.00 to $16.00 depending on the quality of the coin.
Raymond Benjamin died in 1952.
Benjamin Tang was born in 1952.
Rick Benjamin was born in 1952.
Benjamin Zuskin died in 1952.
Please check your coin again. It's either not 1952 or not JFK. Kennedy was a junior senator in 1952 and very much alive so he couldn't legally be depicted on a coin. Benjamin Franklin's image was on the half dollar from 1948 to 1963.
A U.S. 1952 Franklin half dollar is not rare or even scarce, if the coin has any wear at all value is just for the silver about $11.00
Mallia Franklin was born in 1952.