So I'm going with the safe bet on the 7 reference and saying three severed heads [emoji41]
Hey, If I get banned I can't post my pics! There are a lot. The next set of pics will be worth it. Taking a break for a moment.
It's taken me almost two years to collect my 3rd Edition hot-stamped set.... which is about 10% of the size of yours. Where on earth did you find all of these????