Light a fire. Then throw in a stash of £20 notes. Repeat.
You'll probably get more satisfaction from it, and unless you've got a very large stash to burn it will also be cheaper.
10 to 12 year old is a little old for a specialist dealer. I bought my Disconfrom a firm near Gatwick called 'The Paddock' he had loads of RR but all arounfldnthe 3-5 year old mark.