An example of the 1965 Martha Washington Dime Trial - J2101/P2081 is found in private hands. This article is from the April 10th issue of Coin World by Paul Gilkes.
The following additional information was added on July 27,2000
An off-center obverse copper dime trial of this design on a copperplated zinc planchet has since been discovered. For more information about this, click here. The discovery of this trial combined with additional information found in the August 7th Edition of Coin World by Victoria Stone Moledor has brought into question whether or not this piece is a mint product.