Purple heart in the center of a purple outline flower with blue and purple text over blue background.
HORN CO. GLENSIDE PA. 19038
This may be a button from Valley Christian School, a school created by the Huntingdon Valley Presbyterian Church of Huntingdon, Pennsylvania in 1974. They work with parents and the Christian community to teach students to be "Christ-centered thinkers."
Source: About Valley Christian School (2014). VCS: Valley Christian School. http://www.vcskids.com/#!about/cjg9