An MBA is a Masters of Business Administration which is a Masters Degree which is graduate school. Undergraduate is a Bachelors Degree (4 years of college) or an Associates Degree (2 years of college). Some schools have Masters Degree programs that are like 4+1 (5 years) that are a bit accelerated.
In 1847, the United States Post Office Department printed its first stamps, a 5-cent stamp picturing Benjamin Franklin and a 10-cent stamp picturing George Washington.
The Jacob Perkins' press, which printed the Penny Black and the 2d Blue, in the British Library Philatelic Collections. The Penny Black was the world's first adhesive postage stamp used in a public postal system. It first was issued in Great Britain on 1 May 1840, for official use from 6 May of that year. It features a profile of Queen Victoria.