I love getting postcards from the USA. There's always some great info on each of them ;)

So, Pennsylvania - The Keystone State - 'Virtue, Liberty and Independence'.

The bithplace of the Declaration of Independence in 1776, and the second of the original 13 states to ratify the Constitution in 1787. Pennsylvania is now the 5th ranking state in population and one of the leading states in manufacturing, agriculture and tourism.

Capital: Harrisburg 

State flower: Mountain Laurel

State bird: Ruffed Grouse

State tree: Hemlock