My first 45 was either "Dizzy" by Tommy Roe or one of The Beatles early singles.
My first few albums were all greatest hits (due to limited budget/allowance) by the likes of: The Byrds, Bob Dylan, Donovan, Doors and the Guess Who.
My first "proper" album was either "Crosby, Stills & Nash" or "In The Court of the Crimson King."