Sales of the 2010 Silver Sets were suspended on April 8, 2011,
when Silver was $40/oz.
Sales of the 2011 Silver Sets were suspended on April 19, 2011,
when Silver was $43/oz.
Sales of both resumed on May 5, 2011, with Silver at $35/oz.
Spot price stayed in this "support" range for most of May.
This week, Silver rose to $38/oz. Guess where I'm going today?

It is true that the Mint could raise the prices of the Sets in the Federal Register,
but this process takes several weeks, and a subsequent correction period would decrease the sales of higher-priced Sets.