Sorry, I've tried my anorak best to find anything about this on the net, but all I could find were silver hearts. www.lovehearts.com had some cool merchandise, but no silver love hearts.
The only mention of them I could find was:
www.btinternet.com/~mr.sprout/issue32/anorak5.htm
Which isn't much help...
The only mention of them I could find was:
www.btinternet.com/~mr.sprout/issue32/anorak5.htm
Which isn't much help...