I remember catching keefer in wotlk on a lvl 5 like this.
Dont know if the system had changed in wotlk tho. But if you are able to get tasty, I believe that you can get the rares aswell.
On a main have the guild bank open while you are enchanting your monocle, and as soon as the enchant is done deposit it to guild bank and then take them out with your twink
Enchant Ruby Monocles on main and then do ress sickness till its on 0 durability and send to twink and repair. Nobles Monocle is better cause it has no durability, but it requires guild bank to bug the enchant with.