Miniature ceramic Bud Light beer steins or shot glasses are indeed collectible items, often sought after as memorabilia. Here's some information about them based on your description and search results:
Collectibility: These miniature steins are popular among collectors of Bud Light and Anheuser-Busch memorabilia. They often feature the classic Bud Light logo, making them easily recognizable.
Variations: They have been produced in various forms over the years. Some were released individually, while others were part of sets or promotional collections. You might find sets that include miniature steins for other Anheuser-Busch brands as well, such as Budweiser, Michelob, and Busch.
Material and Design: Typically made of ceramic, these steins replicate the look of full-sized beer mugs but in a smaller, decorative format.
Usage: While some collectors use them for display, they can also function as novelty shot glasses.
Availability: You can often find these miniature Bud Light steins for sale on online marketplaces like Etsy and eBay. Keep an eye out for vintage ones, which might be more valuable or interesting to collectors.
It's worth noting that Anheuser-Busch has a history of producing various promotional items, and these miniature steins fit into that tradition of collectible breweriana.