According to a press release dated 15 May 2020, the Reserve Bank of Zimbabwe has officially introduced new 10- and 20-dollar notes (B194a and B195a) on 14 May 2020, but they won’t enter circulation until 19 May and June, respectively.
B194 (PNL): 10 dollars
Red. Front: English text; Chiremba balancing rocks in Epworth; Zimbabwe bird on star as registration device. Back: English text; Zimbabwe bird on star; New Reserve Bank Tower, Harare, Zimbabwe; Cape buffalo. Windowed security thread with demetalized RBZ 10. Watermark: Zimbabwe bird and vertical RBZ 10 electrotype. Printer: (Giesecke & Devrient). 155 x 66 mm. Composite (Hybrid).
a. 2020. Sig. 6: Mangudya. Prefix unknown. Intro: 19.05.2020. Unconfirmed.
B195 (PNL): 20 dollars
Blue. Front: English text; Chiremba balancing rocks in Epworth; Zimbabwe bird on star as registration device. Back: English text; Zimbabwe bird on star; elephant; Victoria Falls. Windowed security thread with demetalized RBZ 20. Watermark: Zimbabwe bird and vertical RBZ 20 electrotype. Printer: (Giesecke & Devrient). 155 x 66 mm. Composite (Hybrid).
a. 2020. Sig. 6: Mangudya. Prefix unknown. Intro: 00.06.2020. Unconfirmed.
On both notes the date is 2020.