There are many websites with notes on collectible coins. One can find such notes on 'coins-notes', 'Collectible Coin and Currency' and on 'Noteworthy Collectibles'.
There aren't any really to find every one knows where they are.
There are many places where one can find collectible Justice League action figures. One can find collectible Justice League action figures at popular on the web sources such as eBay and Amazon.
There are many places where one can find collectible cat bookends. A good place is the website "Amazon" or the website "eBay" to find colletible cat bookends.
The U.S. never struck any gold coins for the Bicentennial. Many Bicentennial dollars, halves and quarters were privately gold plated and sold as "Collectible" coins. The coins have no numismatic value. The coin is face value, unless you find someone that wants it.
There is one company that has been insuring collectible cars for many years. It is Grundy and you can find them at grundy.com.
One can find information about cash on the internet. This includes both the history of bank notes and coins themselves as well as current currency conversion rates.
Please go to www.kandccollectibles.com. This is one of the best places you can go to in order to find collectible Star Wars figures.
There are many places one might go to find a list of collectible Disney Lanyards. The most reputable resource one might use would be the official Disney website.
Collectible and vintage ashtrays may be found on Ebay, Amazon, and Glass Menagerie. These places have many types of collectible and vintage ashtrays to select from.
I have several, which one are you looking for?
Criegslist
You will have to find them one by one.