The Rosa Americana is a significant series of coins from the early 18th century, produced in 1723 under the authority of the British government. These coins were intended for use in North America and featured a design that reflected both British and colonial influences. The series typically includes denominations such as the penny, halfpenny, and farthing, with the design often showcasing a rose emblematic of England. Collectors value these coins not only for their historical significance but also for their rarity and artistic design, making them sought after in the collectible coin market.