Accidentley purchased for wrong telescope (dob).
This item is BRAND NEW in box, never been used.
Asking $80 ex/ P&H.
Please PM if interested. 
Picture:
https://www.bintelshop.com.au/Images/Stock/7878.jpg
Details:
Orion Mirror Diagonal Dielectric (1.25") * Features sophisticated, lab-tested dielectric coatings that boast an astounding 99% reflectivity
* The mirror surface is precisely figured to ensure excellent image quality even at the highest magnifications
* Its dielectric coatings are more durable than enhanced aluminum coatings
* Machined and anodized aluminum housing features machine-threaded baffles for high contrast
* Nosepiece barrel is threaded to accept filters
* Endcaps included