I have never seen a Heubler Sneaky Pete with a Bumper like, in fact I have never seen a Heubler cue with a bumper like that. I was a dealer for Paul from 2002 until he closed down for good, I use to sell a large number of his Sneaky Pete cues in fact Paul use to sign them for me. Paul always used a Brown Bumper that was a Push in style and also secured with an allen head screw.
The butt decal on the cue looks right though so maybe they did use some like the bumper on the cue pictured in the ebay thread. To tell for certain it would be necessary to have the bumper removed so that the weight bolt can be seen. Heubler cues had a steel collar insert that reinforced the bottom of the butt of the cue from the inside, these inserts had center hole drilled through them and the cues weight bolt held them in place. Paul machined all these parts including the weight bolts and the bumpers in his shop.
Here are some photo's of the Butt insert, weight bolt, Bumper screw, and the bumper.
View attachment 172984
View attachment 172985
Is the cue a counter fit cue, I can't say for certain unless I can get a photo of the bottom of the cue with the bumper removed. It is possible that for some reason the bumper on the eBay cue was replaced for some reason, and I think that is the most likely answer to this question, I mean why would anyone want to counter fit a Heubler sneaky pete?
JIMO