This RIM Blackberry 6750 - Model: R6120CN was personally used by me for about a year and a half in 2011-12. It has been in a box ever since. Please see pictures for condition details, which show light handling marks and screen edges has some trim paint rubbed off.

Box shows storage wear. Kit includes: RIM belt clip/holder, charger/dock.adapter, (3) different international plug adapters, instruction manual/disk, quick "How to Get Started" cheat sheet, (3) Blackberry Wireless Handheld supplemental guides for "800/1900 MHz CDMA Network", "Software License Agreement", and "Language Quick Reference Booklet". Contents should be everything that came with this 6750, although some packing materials may have been discarded. Cannot be sure if anything is missing. The box has the UPC and S/N cut out (see picture). As I recall, this was submitted to RIM in order to receive a rebate.

In very good condition, with box and accessories. This would be an excellent addition to your collection.