Firstly, thank you Rob, I’m absolutely delighted with this little rarity.
Secondly, I can only find images/reference to 2 other examples at this time, all 3 from the same obverse die, but three separate reverses. One being the ex Comber coin, and the other belonging to another member on here.
Now of interest are the little row of extra pellets running through the 10 o’clock to 1 o’clock obverse legend, which look purposeful, rather than being the remnants/ghost of a previous die on old die bar? Also, of further interest and supporting this idea, is that the reverse of my new addition has the exact same phenomenon, running from 6 o’clock through to 12 o’clock, midway through the legend…so, does anyone have any idea why?
I feel (of course I do) that my example is the nicer coin, being on a solid, good metal flan, even though the bust is weaker. I’d really struggle to choose between the ex Comber coin and mine on account of the crustaceans and porosity, I always struggle with these. So, as you can tell, pretty happy!