On US stamps, Abbott and Costello appeared on a 1991 issue. There were probably foreign stamps picturing movies stars before that.
The cast of The Wedding in Monaco - 1956 includes: Grace Kelly as herself Prince Rainier of Monaco as himself
That depends on where you are .
The Wedding in Monaco - 1956 was released on: Turkey: April 1956 USA: 17 May 1956 (New York City, New York)
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.
The Wedding in Monaco was created on 1956-05-17.
monaco in 1956
Stirling Moss Maserati
Stanley Gibbons lists it as Monaco 343. It can be purchased for about 50 cents.
Will need more information including the country of origin, I'm guessing Monaco. You can consult a stamp catalogue at your local library to identify the year and condition of the item with an estimated value for it. Post cards are listed as 'back of the book' items in the country of origin. A set of 5 minted stamps issued in 1956 is retailing at USD5.00 on the Internet.
The Principality of Monaco is a country about the size of a postage stamp on the south of France Each year they close off some streets for the Grand Prix. There is no "Speedway"
3 cents.