Each of 5 regular coins of the following series (issued 2013-2018) should be splited into 2 different types (design of 5 coins changed from 2016):
1 Tenge (magnetic) 2013-2018
5 Tenge (magnetic) 2013-2018
10 Tenge (magnetic) 2013-2018
20 Tenge (magnetic) 2013-2018
50 Tenge (magnetic) 1997-2018
https://en.numista.com/catalogue/pieces49492.html
https://en.numista.com/catalogue/pieces49632.html
https://en.numista.com/catalogue/pieces49635.html
https://en.numista.com/catalogue/pieces49634.html
https://en.numista.com/catalogue/pieces5856.html
Begining from 2016, another type of these coins started. Details are provided below.
In 2016 Design of Coat of Arms on obverse was changed:
- letterring КАЗАХСТАН in lower part obvioulsy became smaller
- design of elements under КАЗАХСТАН changed
- design of element from both sides of lettering changed
Would you need more clarifications, please, let me know.