What is the value of a 1923 US cent?

Look on the front of the coin to see if there's a small mint mark letter below the date. It may be blank or there may be an S.

Numismedia lists the following approximate retail values as of 07/2010:

No mint mark (Philadelphia):

Very worn condition - $0.25

Moderately worn - $0.46

Slightly worn - $0.92

Almost no wear - $9.20

Uncirculated - $15.60 to $205.40 depending on quality

"S" mint mark (San Francisco):

Very worn - $1.67

Moderately worn - $3.16

Slightly worn - $6.33

Almost no wear - $87.40

Uncirculated - $192.00 to $790.00