The following article appeared on a Malaysian site, but it gives some insight into what collectors are looking for globally, as well:
New Straits Times – Malaysia News Online
19 Jan 2007
“He also warns that investing in collectibles involves an element of risk.
â€œYou have to take several factors into consideration. Prices tend to appreciate at times, depending on the popularity of the items. There are pieces that appreciate overnight or depreciate just as quickly. Itâ€™s all a risk. Never buy just because itâ€™s the latest or the current popular movie.â€
The article goes on to mention that some properties are “evergreen” or perennially popular, such as the Star Wars franchise, and superheroes from Marvel and DC Comics. Pirates of the Caribbean merchandise is still selling well, but sales of Lord of the Rings items have dwindled recently.