I sell second-hand books(Speculative fiction a speciality), comics and magic cards on eBay. My eBay user ID is 'phillberrie' and I run a shop called 'Phills-Phollies'. Click on the following link if you would like to look at the contents of my shop.
http://stores.ebay.com.au/Phills-PholliesI also do weekly subscription emails for Spec. fic, comics and magic cards. If you are interested in signing up go to the shop and click on the 'Add to My Favourite Stores' link. This will give you the opportunity to subscribe to the email lists.