Mint announces release dates for 2015 & 2016 quarters. http://www.coinworld.com/news/mint-announces-release-dates-for-2015-2016-atb-quarters.html Fort McHenry S-Mint business strike quarters sell out with lowest mintage so far. The latest mint sales report shows 1,311,000 sold, but this number may change a little when the next sales report is released.
Yep, the first 3 years of these appear to be sleepers. Of course the later years include the lowest mintage S-Mint business strikes that started in 2012.
Update: The latest mint sales report shows the sold out Fort McHenry S-Mint business strike quarters are still the lowest mintage of the S-Mint business strikes at 1,312,400 sold.