A Lucky Coin

A 1943 US penny made at the Denver Mint（铸币厂）has sold for $1.7million. That single coin is thought to be the （31）_____ copper （铜） coin made in Denver that year.

Pennies were made of steel in 1943 because copper was in（32） _____ supply for use in equipment to help （33） _____ World War II. That was the only year that Lincoln pennies were not （34） _____ of copper.

A （35） _____ coin cllector was eager to pay the buge sum fot the coin because it was one of a kind. And that collector （36） _____ had a 1943 copper penny from each of the other two US Mints.

You might be suprised to （37） _____ what some of your own coins are （38） _____. The more scarce any collectible （可收藏的） item is, the higher the （39） _____ tends to be. It is possible that you might have a small （40） _____ sitting in your pocket right now! 

A. wealthy
B. short
C. learn
D. consisted
E. only
F. already
G. price
H. made
I. large
J. fight
K. fortune
L. worth