Collectible right? “Kennedy Shot” Nov 22 1963 San Diego Union Tribune Cover Page

Cover is all I have

I have got a hand-me down newspaper cover and wanted to see, for curiosity reasons, if it is worth anything, if I should preserve it (I’d like to) and how, and if I should insure it. Cover page (title page only/ and back of) San Diego Union Tribune Nov 22 1963 Kennedy Assasinated-Extra.