Ejemplares de este tipo

Teylers Museum, TMNK 07228
1760 – (en) Privy Mark: tree
44,4 mm • 32,364 g
Teylers Museum, TMNK 07234
1761 – (en) Privy Mark: tree
43,1 mm • 32,791 g
Teylers Museum, TMNK 07256
1764 – (en) Privy Mark: tree
42,7 mm • 32,641 g
1774 – (en) Privy Mark: tree
https://www.acsearch.info/search.html?id=9503480