In early 19th century NYC, the Spanish or Mexican real was a New York shilling worth 12 pennies or cents.
Rulau lists 6 known pieces overstruck on 2-reales coins, but none on 1-real coins
Rights
CopyrightHolder: American Numismatic Society
License: Public Domain Mark (images)
Rights: No Copyright - United States
1969.222.4645http://numismatics.org/collection/1969.222.4645mb_physical,osm,imperiumobjecthttp://numismatics.org/search/id/https://numismatics.org/themes/mantisdisplaypk.eyJ1IjoiYmhpaWJuZXIiLCJhIjoiY2xlZWZqZmJjMGdheDNwcW1qaHM2MWZ4cSJ9.oR2ZyKdE7BYKzQkjiotNSghttp://numismatics.org/search/manifest/1969.222.4645American Numismatic Society