Austrian 20 kronen coins 1923-1924

The coin catalogue has 100 kronen coins 1923-1924
https://en.numista.com/catalogue/pieces33408.html

However it's missing 20 kronen coins 1923-1924
https://www.ngccoin.com/price-guide/world/austria-20-kronen-km-2830-1923-1924-cuid-1044464-duid-1216256

These 20 kronen coins are also liseted in the "Gold Coins of the World" book.

Feel free to add them. There's a link at the bottom of search results:

A coin doesn't exist in the catalog yet? Add it yourself!
https://en.numista.com/catalogue/contributions/nouveau.php?type=coin