What This Coin Looks Like (Obverse, Reverse, Mint Mark Location, Special Features, etc.): There are three major varieties of the 1793 Flowing Hair Large Cent (Penny) which bear the chain reverse design. One variety features periods after the word "LIBERTY" and after the 1793 date on the obverse of the coin and also the word "AMERICA" in the legend on the obverse of the coin. This variety is depicted above.
The other major variety features the same thing except no periods on the obverse of the coin as depicted in the example image below:
Lastly: one variety doesn't have periods on the obverse but features the word "AMERI." with a period in the legend on the reverse of the coin as depicted below: (Source of example image is courtesy of Heritage Auction Galleries)