1722 Rosa Americana Halfpenny. Martin 2.1-B.1, W-1218. Rarity-4. D:G:REX / ROSA AMERI. UTILE DULCI. Off Center Double Struck. VG-10 (PCGS). 59.0 grains. PCGS# 905564. NGC ID: 2ASH. <strong>To view supplemental information and all items from the Sydney F. Martin Collection, click<a href="https://stacksbowers.com/sydney-f-martin-collection/"target=’_blank’> here.</a></strong> From the Sydney F. Martin Collection. Earlier ex Chris Young, June 2009.