Kazakhstan new 500-tenge note (B148) confirmed introduced 22.11.2017

Like B147, but revised front/back, reduced in size, and new date (2017). Prefix AA. Intro: 22.11.2017.
Russian press release.

Courtesy of Wonsik Kang, Arsentij Khonin, Ömer Yalçinkaya, and Albert Vokhmin.

Kazakhstan new 20,000-tenge note postponed

According to an article on Kapital.kz dated 18 December 2013, the National Bank of Kazakhstan has decided not to introduce a 20,000-tenge note at this time due to fears of inflation. At present the largest denomination is the 10,000-tenge note (US$65).

Courtesy of Cleophas Elmakias Schockemohle.