Most of the goldstars I am familar on pricing with , However the following I hardly ever seen for sale and am thusfar unable to find any pricing on them
PSA 10 Gold star Latias (1 sold in may on ebay but the latios - which was higher pop sold for way more which I found strange)
PSA 10 Gold star Mew
PSA 10 Gold star Gyarados
PSA 10 Gold star Metagross