ORANGE, CA.- Gold is the commodity on everyone’s minds these days, and bidders could very well strike paydirt over Labor Day weekend, Sept. 3 and 4, when southern California auctioneer Don Presley offers nuggets and other specimens from the private collection of a retired professional prospector. Now in his late eighties, the prospector – who traded in precious metals and sold mining equipment for a living – built a special reserve collection over his lifetime that consisted of exceptional geological specimens. He is now liquidating his collection to provide for his grandchildren. “Over the years, he has prospected all over the world, and this is the first time he has ever sold anything at auction,” said Don Presley. “Some of the pieces in his collection are just fabulous.” Headlining the gold lots is a spectacular white quartz specimen with a total weight of 59.2 ozt. that contai