To get a replacement card:
All documents submitted must be either originals or copies certified by the issuing agency. Social Security cannot accept photocopies or notarized copies of documents.
Information about required documents
Social Security can accept only certain documents as proof of identity. An acceptable document must be current (not expired) and show your name, identifying information (date of birth or age), and preferably a recent photograph. For example:
Social Security can accept only certain documents as proof of U.S. citizenship. These include:
Derived from http://ssa-custhelp.ssa.gov/app/answers/detail/a_id/251
Social Security Handbook