The age of the coins mentioned in the article is from the wrong dynasty to be the Biblical Joseph.
The researcher also pointed out that the coins made of precious metals or stones usually had a hole in them... allowing them to be [worn] around the neck or on the chest... [and] were scarab-shaped.IOW, the upper crust Egyptians were medallion men. ;') Joseph was in Egypt in the 12th Dynasty, and the Egyptian name this "researcher" gives for him isn't correct anyway.