Well I went a [link|http://www.google.com/search?sourceid=navclient&q=The+Royal+Guardsmen+|a Googling] too. Here is what I found for you...
In the 2nd find, [link|http://www.amazon.com/exec/obidos/ASIN/B000002R03/obscursongsfromt/102-7135943-8743312|this], it's an Anthology. Released in 1995. Ships in 3-4 days. Also if you look a bit on that you'll find other things... (-"
Happy, shopping.