This isn't a US Postage stamp, but a charity label. It was probably sent out in a mass mailing requesting people to send donations. And by putting them on the back of other envelopes, they would get advertising.
Monaco issued a number of stamps in 1952. Proper valuation will require a more detailed identification. Consult a postage stamp catalog, Scotts is a standard in the US. It should be available in your local library. It will help you determine the specific stamp and provide a value for you.
Help Thy Neighbor - 1952 was released on: USA: 1952
The colonists
No. Michael Montagne Does providing FREE treatment to crippled children and burn victims consitiute abuse? I think not! Talk to a real Mason or Shriner to see how we help the community.
Elizabeth Kenny developed a method that was intended to help Polio sufferers, but it was controversial as it conflicted with the medical practices at the time. Her method became the foundation of Physical Therapy.
the elevater was invented so the crippled or elderly can climb stairs
yes like dogs when they help crippled people move and go places
Asking for picture ID will help prevent food stamp fraud in some ways.
The Stamp Act was passed because it was to help pay for the costs of fighting on the American frontier.
The British Government passed the Stamp Act to help pay for British troops stationed in the Colonies
The purpose of the stamp tax was to help pay to support British troops stationed in the American Colonies.
The cast of Help Thy Neighbor - 1952 includes: Hal Styles as Himself - Host