On 28 February 2020 KoreaPost released the 2019 Yearbook. This Yearbook contains all the official commemorative and regular stamps released by KoreaPost during 2019, making for a total of 82 commemorative and 3 regular stamps. All descriptions are in both Korean and English.
The set is available from the (Korean language only) ePost part of the KoreaPost website, the product is titled “2019 대한민국 우표 컬렉션”. The list price is 75.000 won excl. postage. The Yearbook set comes in a square format folder (225mm x 225mm) and contains 64 pages (plus cover etc.).
Here are the images as shown on the product page by KoreaPost:
All relevant text and images in page copyright: 우정사업본부 / KoreaPost