Disney Dollars have become expensive collectors' items primarily due to scarcity and nostalgia. Disney officially stopped printing and selling the currency in May 2016, making the existing supply finite. While they are still technically legal tender at Disney Parks and Resorts at a 1:1 ratio with the U.S. Dollar, their "numismatic" or collector value far exceeds their face value. Rare series, such as the 1987 inaugural "65th Birthday" bills or limited editions featuring specific characters like Dumbo or Pirates of the Caribbean, can fetch hundreds or even thousands of dollars on the secondary market. The condition of the bill is paramount; "uncirculated" notes with no creases or wear are the most sought after. Furthermore, the high-quality engraving, anti-counterfeiting features like micro-printing and reflective ink, and the whimsical artwork by Disney artists make them highly desirable for "Disneyana" enthusiasts. As time passes, the number of well-preserved bills decreases, driving up the price for collectors looking to complete their historical sets.