664 exchange - Posted by k jefferson

import · April 12, 2002, 12:44pm

Posted by William Bronchick on April 14, 2002 at 20:05:35:

nt

import · April 12, 2002, 12:44pm

Posted by k jefferson on April 12, 2002 at 12:44:27:

could you explain what is a 664 exchange and how does it work?