"Beer Mirrors" refer to reflective surfaces, often decorated with logos or imagery of beer brands, used as promotional or decorative items in bars, restaurants, or personal collections. They are a subset of Breweriana Collectibles, which encompass a range of items related to beer and brewing, including Beer Mats, collectible coasters featuring beer branding or artwork. Both Beer Mirrors and Beer Mats fall under the wider category of Collectibles, items of a certain type that individuals amass due to their interest, rarity, or aesthetic appeal.