This item is for sale on eBay at the moment. I have never seen the price list before, the prices quoted could make you weep! Oh for a time machine to go back and buy a $100 worth . . . clean copies of the signed covers fetch a high price today.
The Pitcairn Islands Study Group (PISG) was formed in North America and the UK organisation was constituted from an informal meeting of PISG members resident in the UK during 1987-88. The name of the UK PISG was changed to the Pitcairn and Norfolk Islands Society in October 2012 (PNI Soc).