Baseball card brand is a term used to refer to the various companies that produce baseball cards. Two of the most popular brands are Topps and FLEER, both of which have been producing cards since the 1950s. Topps was founded in 1938 and has become one of the most recognizable names in the industry. FLEER was founded in 1885 and is known for its unique designs and collectible cards. Both brands have a long history of producing quality cards and are highly sought after by collectors.