Yes, Emmett Kelly Clowns are for sale on eBay. The market can be unpredictable, with prices fluctuating. When selling collectibles, start by browsing eBay to see what others have listed for sale. The most valuable clown figurines currently available on eBay are the bronze type, such as this one:

The first officially licensed Emmett Kelly Jr. clown figurines came out in the early 1980s. Fans of the beloved clown are able to find some of these earlier pieces through online research. The lack of an official pricing guide means that prices are set by sellers based on unknown valuations.

Vintage Emmett Kelly Clown Figurines - Ceramic Decorations and Jim Beam Collectible Bottle StuffWeFound 5 out of 5 stars(262) $7.00 Add to Favorites Emmett Kelly Print Circus Collection Numbered Clown w Dog, Signed, Sealed and Framed Art, “Guess Who’s Coming To Dinner”, 13 1/2 x 17” Litho

Unknown artist, Frame measures 25 x 20 3/4in, Board measures 20 x 16in. Vintage Emmett Kelly Porcelain Seated Clown Figure Reading the Wall Street Journal, "Big Business". With wood base. Signed and dated 1987.