Yes, you can get some good buys with the group lots in a Roma auction, if you do your homework. In the past they had some really nice Byzantine...
Yes! I had to treat one coin with BD spots on the reverse. No BD reemergence so far.
That's a very nice coin for this type! Here's an example similar to your coin, from today's auction: Artuqids of Mardin, Husam al-Din Yuluq...
Yes, I noticed that. So, perhaps we are looking at a bidding war between specialized collectors. Who knows?
Yes, it does have a lot of character and appeal. I've seen this type offered through MA Shops and Vcoins at a fraction of the hammer price....
Separate names with a comma.