Ok, so maybe it's not what we would think of as a "hobbyist", but I read the first line of this article and burst out laughing! I thought, how did they find out that this guy was in the hobby?

http://news.yahoo.com/s/ap/20081113/ap_on_sc/eu_netherlands_celtic_coins_2

Good one!  I saw that article but never read it like that.  Now ya got me ROTFL!
skb