This interview certainly makes it seem like he did the Vampirella sculpt:
http://www.crescentblues.com/5_2issue/int_moore.shtml
selected quotes: Clayburn Moore: Well, yes. The first piece that I did when I started in this industry was Vampirella for Harris, under the Vampirella license...When I was first contacted to do a sculpture of Vampirella, I knew who Vampirella was. I had read the comics, and so I thought this was great.
What about the ornament? I'm pretty sure I recall reading that he sculpted that: