Peter wrote:

Hello Ricardo,

I think the easiest way to see if they are clones is the BT-2630 Test:

https://www.schachcomputer.info/BT2630-1024.htm

Here you'll find all results of the Milano Pro.

Regards
Peter

Hi Peter,
Maybe that test is not enough. Novag Obsidian and Novag citrine have the same mark on the BT-2630; 1975 and 1974 but they are not clones.

best regards
Ricardo