Introductory Note: I have posted about many different aspects of the history of US commemorative coins here in the US Commemoratives area of CCF, most with "Commems Collection" in their title to enable automatic inclusion on the "Commems Collection" list created by Bobby. In addition, however, I have also posted about the design elements found on many of the coins over in the "Post Your..." galleries area, as well as within posts here under non-coin-specific titles. I've decided to collect these multiple design discussions for each coin of the series in one place for quick access, I present...1892-93 World's Columbian Exposition - Design Element Discussion Threads-
1892-93 World's Columbian Exposition - Coins with a Sailing Ship-
1892-93 World's Columbian Exposition - Coins Featuring a Map-
1892-93 World's Columbian Exposition - Coins with Stars-
Quick Bits #01 - Columbian Half Dollar-
"Did You Know?" #13 (Rim Denticles)The following posts did not originate with me, but I did respond to each with some useful design-related information:
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1892-93 World's Columbian Exposition - 1892 Columbian - Coins #1, #400, #1492 & #1892-
Interesting Columbian Exposition Half Dollar (Repunched Date)1892-93 World's Columbian Exposition Half Dollar

For other of my posts about commemorative coins and medals, including more on the history of the Columbian Exposition half dollar and other Design Discussion Index posts, see:
Commems Collection.