The 1973 Lincoln Penny: a common coin with potential hidden value.
Minted in large quantities, yet certain varieties are highly sought after.
Key factors: mint mark location, coin condition, and rarity.
Look for 'D' (Denver), 'S' (San Francisco), or no mint mark (Philadelphia).
Uncirculated coins or those with errors can fetch higher prices.
Special varieties, like doubled die obverse, are collector gems.
1973-S Proof Penny: a collector's favorite with mirror-like finish.
Storage and handling affect value – protect your pennies properly.
Consult coin value guides or professional appraisers for accurate pricing.