Defining Moments Was Founded in 1994 by Javier Padron. Defining Moments is one of the leading Sports Memorabilia Companies in the Country. Based in Miami, Florida. Defining Moments Memorabilia Specializes in creatively designed and framed Memorabilia. All of our hand signed collectibles come with our life time authenticity warranty, and a Certificate of Authenticity. Shop with confidence and enjoy sports Greatest Moments captured in unmatched quality frames.