Typically, NOS Stronglight P3 headsets regularly sell for about $100 on ebay. The ones I am familier with come in a blue box. What makes the one at the link below so valuable? It is in silver box and the description states "NOS SL P3 old type! " There are two of them listed, both at or over the $200 mark. Is anything different about them other than the color of the box?
Thanks in advance,
Eric Elman
Somers, CT