Just like the Upper Deck First Pitch sets, they were issued as a sepatate wax product. (Check out this ebay listing.) Just like all the other products that were separate products, they get treated as separate products. These were handled through IRs that Admin had to make these changes.
-- Dan --
Note: Please see my profile for more info regarding trading (section updated 3/4/2024). I have added a large portion of my inventory to the site, and currently have trading turned on (details are in my profile).