The public can send free greeting cards to patients at Children’s of Alabama as a part of the hospital’s annual Valentine’s ...

I’ve got to admit I miss that sentimental occasion, as we celebrated it in Miss Nelson’s 5th grade class,” writes columnist Dorothy Wilhelm.

The Post had a sneak peek at some of the over 500 letters dropped into 13 different mailboxes in Brooklyn and Manhattan from Jan. 23 to Jan. 30.