Just popped back in, for those O.S. numbers..I can`t believe the price[X(][X(][X(]. almost $15.00 each.Most of them use some platinum, but these,must be made from solid platinum[].Just going to get a P-6,+P-7 for now...OWwwCcchhh[:@] I`ll look for my book after I`m done ordering ,I`m not certain where it is, at the moment ,but its here somewhere. Dave