I'm not sure how I feel about the framing. It adds more of the same color and detracts from the unusual coloring of the twig and cone. The composition otherwise is strong and interesting. The papertowel (?) background would be a touch better if it was in softer focus (it's texture competes in some way with your main subject)
Great sense of feel. Tonal work is fabulous, lighting perfect - though some might argue that a less creased background would be preferable in such a controlled composition. The slightly strange 'extra' bit of twig on the right gives a kind of 'alien' (in the sense of 'strange') fel to the composition, adds just that touch needed to balance the cone itself.
Missing some detail in the cone itself - your focus is far better on the background and the twig - which loses some sense of texture from it.
The border - especially the shading added with it, is quite posibly outside the rules I would think - you've used it to add a degree of three-dimensionality to the image which was not there out of the camera I would suggest. If you had placed the shading from the border in the same direction as the shading in the image it would be more convincing.
[World Record Attempt]
+ The appealing composition combined with the framing and textures makes this a pleasant picture to view.
- Photo could use more saturation.