In 1907, Ohio-businessman Edgar Allen lost his son in a streetcar accident. The lack of adequate medical services available to save his son prompted Allen to sell his business and begin a fund-raising campaign to build a hospital in his hometown of Elyria, Ohio.
Through this new hospital, Allen was surprised to learn that children with disabilities were often hidden from public view. Inspired by this discovery, in 1919 Allen founded what became known as the National Society for Crippled Children, the first organization of its kind.
In the spring of 1934, the organization launched its first Easter "seals" campaign to raise money for its services. To show their support, donors placed the seals on envelopes and letters. Cleveland Plain Dealer cartoonist J.H. Donahey designed the first seal. Donahey based the design on a concept of simplicity because those served by the charity asked "simply for the right to live a normal life."
The overwhelming public support for the Easter "seals" campaign triggered a nationwide expansion of the organization and a swell of grassroots efforts on behalf of people with disabilities. By 1967, the Easter "seal" was so well recognized, the organization formally adopted the name "Easter Seals."
Here is one I have:-

Some more designs including yours:-
http://www.easterseals.com/site/PageServer?pagename=ntlc_sealanniversary_gallery40