What is special about the 2018 and 2019 Calligraphy Coins is not that they employ calligraphy; many coins use calligraphic characters to convey their message. The coins stand out because it is the shufa, the calligraphy, itself that is the subject. What the writing says, or means, is secondary.
Best wishes,
Peter Anthony
NGC Consultant
China Pricepedia — Chinese Coin Prices and More
The Gold & Silver Panda Coin Buyer’s Guide 3
www.pandacollector.com