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 Bureau of Engraving and Printing officially took over production of postage stamps for the United States government in July 1894. Paper currency was later produced on hand presses around 1918, utilizing plates capable of printing four notes per sheet.