Thank you coinguy. Newbie question how can you tell its been cleaned? Is it cause of the finish and the way it shines?

Hey guys, I was wondering if these 1973 25 cent coins are the small bust version of them?
Thanks

Hi there guys,

I'm new to the world of coin collecting and I inherited my grandfathers coin collection and and i found this 1952 dollar in his collection and wondering what the grade would be? I'm trying to learn how to grade coins. Any help would be appreciated. Thanks guys