U.S. Mint Gold-Coin Sales Jump 63% in January (but down YOY as Mint Sabotagoes sales); Silver Triples

Here's a second article which talks about the likely reason for the YOY decline:

lso pressuring 2014-dated coin sales is the fact that the U.S. Mint is mixing this year's coins with 2013-dated coins on a one-for-one basis when it sells to dealers until the 2013-dated inventories are depleted... Kramer said that most of his customers prefer to buy the new 2014 mintage over the older-dated coins.