B 16-U (R 25) 1788. These dies were paired on three separate
occasions, first at Rupert in 1788, then at Newburgh in 1789, and once
again, after the dies had demonstrably shattered, at Newburgh in late
1789 or 1790. Acc. No. 1991.81.20. (roughly 300, including about 250, 60
and 3 examples from the three pairings, respectively)
