I know nothing about Cross Pens and Pencils – thankfully these are still in their original boxes and sleeves so it makes listing them pretty much idiot proof. This is a personal collection of 5 NIB pens/pencils, 4 Gold and One Black and one partial box of original authentic refills. Looks like model 4502 and 4503 pens and pencils and 8514 refills. I would assume all work as intended-they look like they have never been used. All have the ITT logo attachment on the clip.