I'm assuming from the average age of the horses that it was a 2005 sale. For a while they ran two sales though, one in July I think and then the November one, so I'm not sure if this has the info you're looking for?
i have emailed them too, im just inpatient and want to find out for myself!!!!!!! im pretty sure the info i want will be in the november dressage sales 2005 list...........