How rare is a 1964 Mercury Monterey convertible 25th anniversary edition?

The 1964 Mercury Monterey convertible, particularly the 25th Anniversary edition, is considered quite rare. Only a limited number of these vehicles were produced, making them highly sought after by collectors. The rarity is attributed to both the low production numbers and the declining popularity of convertibles during that era. As a result, finding one in good condition can be quite challenging.