postards have pictures on them, these pictures are things that may never be seen again. the pictures are a part of our history that shows things. because of this many collectors would pay a lot of money for them.
i read on google they "offer a glimpse into the past"
Select the sentence using an appositive to further explain the subject. the water is cold, but the sand is warm. mr. miller, the dean of the school, makes you feel very humble running in the relay, bob tripped and fell.