Eagle Ngc

Looking to sell a 2006 EAGLE G$5. It's a first strike, MS 69 and certified by NGC. How much can I get for it? And where can I sell it? I saw one on eBay for $175, but I was told the current value was over $250. Should I hold on to it or sell now? According to NumisMedia FMV Price Guide which is the official price guide of NGC: 2006 W Gold [...]