I have a $10 silver strike NY NY Grand Opening I will be putting up for sale soon on Ebay. All of my reference books show this should have an "S" mint mark. Mine has a "G" mint mark. Any one know the story on this?

Thank you.
Mark

PS I have a large amount of $10 Nevada Silver Strikes, mostly common ones. but willing to move them at a fair prices.. Email me your lists Alpina323@attbi.com I not a collector only deal in silver strikes.