I purchased the 4 1/2" Super Sniper coil for my AT Pro. I installed the bad boy and took it to one of my sites that have some nasty trashy areas. I have found some good jewelry at this site and just knew it is not finished giving up its treasure. I wanted to see if the little concentric would do what it is advertised to do, and it performed magnificently navigating around picnic tables, benches and through the "uglies". The ladies 14k with white gold doves I found last week at this site. No, it is not a real diamond. I was pretty excited Saturday when I dug up the broken silver band and not more than two minutes later out came the man's band. At first I thought it was white gold and yellow gold. I looked at the hallmark still with gold on the brain and knew the 750 stamped was 18kt. I saw the Pt 950 and was at first miffed. It wasn't gold at all it .950 silver or was it? (Gold fever can affect the brain) I never saw Pt 950 on silver jewelry before, but people do some strange things with jewelry in some of those European countries, so anything is possible. It wasn't until I got home and showed my wife. She said it even being dirty, still had the same color as her platinum ring. Then it hit me. The funny thing about the Pt 950 Hallmark, why of course platinum - Pt. My first platinum ring recovery, with the AT Pro, using that little concentric coil in trashy area. I dug many pulltabs before this ring came out. I dug many pulltabs afterwards. This platinum ring VDI'd at 53 on my AT Pro; same as a pulltab. I wasn't even thinking about platinum rings. The ring weighs 10.4 grams. I checked the spot price of platinum and you know what? Platinum rings are currently better than gold rings. Spot price for .950 platinum at $52.08 per gram ($1,704.81 oz) and for 18k gold $40.71 per gram (($1,670.61) I don't feel bad digging all those "junky, trashy aluminum type signals", my wife doesn't either. By the way, I get this one - it fits me. I know if I can do it anyone can do it. Rings #3, #4 and #5 for lucky '13.The thrill of the hunt and finding is what it is all about for me. Thanks for looking and happy hunting to all. A special thank you to Garrett Metal Detectors for making a sweet machine and accessories for me.