this msg is in response to the threads that argue against various inclusions of icg holders. an alternate solution is to have ngc tape grading for certain (ie not all) non-gsa holders.
icg has a holder with an intercept shield gasket. consequently there is a possible advantage for toned coins to sit in their holder. another example of where it is possibly advantageous to leave a coin in a non-pcgs non-ngc holder is that of redfield pedigrees, which lose both desirability and market value