1919 is not a rare date for Lincoln cents ... Numismedia lists the following approximate retail values as of 03/2010:
No mint mark (Philadelphia):
Very worn condition - $0.14
Moderately worn - $0.35
Slightly worn - $1.15
Almost no wear - $6
Uncirculated - $12.00 to $85.80 depending on quality
"D" mint mark (Denver):
Very worn condition - $0.58
Moderately worn - $1.04
Slightly worn - $2.59
Almost no wear - $29
Uncirculated - $52.80 to $624.00
"S" mint mark (San Francisco):
Very worn condition - $0.23
Moderately worn - $1.15
Slightly worn - $2.30
Almost no wear - $17
Uncirculated - $42.00 to $572.00
1919 is not a rare date for Lincoln cents ... In average circulated condition, it's worth about 10 cents.
1919 Wheat Penny: With no mint mark, in good condition is worth $0.15, uncirculated is worth $20.00. With D mint mark, in good condition is worth $0.25, uncirculated is worth $80.00. With S mint mark, in good condition is worth $0.15, uncirculated is worth $70.00.
Retail is 20 cents in ANA Good condition. Up to $50 if it is uncirculated and has a D mintmark.
8-8-11>>> Assuming the coin is circulated and has no mintmark, the 1919 Lincoln cent is a high mintage, common date coin. Retail values for average circulated coins are less than $1.00.
The US has never used an E mint mark. The only possible letters on a 1919 cent would be D for Denver or S for San Francisco. A coin without a mint mark was made in Philadelphia. There's more information at the Related Question.
the wheat side is upside down so what is it worth?
1856 3 cent coin value
Depending on condition, usually 1 usd
About 1 cent.
The US has never used an E mint mark. The only possible letters on a 1919 cent would be D for Denver or S for San Francisco. A coin without a mint mark was made in Philadelphia. There's more information at the Related Question.
1 US cent has the same value the world over! i.e. 1 US cent
the wheat side is upside down so what is it worth?
1856 3 cent coin value
Depending on condition, usually 1 usd
About 1 cent.
It's still worth one cent US.
.50
Very common coin, in average condition maybe a $1.00
A 1997 US one cent piece? is a Lincoln cent and only face value.
It's worth exactly one cent.
A 1942 US Wheat cent is common, average value is 3 cents.