http://www.bonhams.com/auctions/20971/lot/2467/
http://www.bonhams.com/auctions/20971/lot/2468/
On June 3, 2013, two Royal Hawaiian Mint Sets sold very close to bullion value….
There is also a 1990 Queen Liliuokalani (about a week now) was put for sale at a bullion site (still available?)