B's: 
Botswana
Botswana pick 6a: 1 Pula from 1983
ND (1983). Dark brown. Cattle, arms, and plants on back.
President Q.K.J Masire at left wearing coarser pin-stripe suit. Printer: TDLR.
Collectors Comment: Prefix: A/1-A/15. TBB B106a
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Botswana pick 7b: 2 Pula from 1982
ND (1982). Blue on multicolored underprint. Grey lourie at center. Various workers at center right on back.
President Q.K.J Masire at left, arms at upper right. Watermark: rearing zebra. Printer: TDLR.
Collectors Comment: Prefix B/7-B/15. TBB B107b
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Botswana pick 35: 10 Pula from 2018
2018. Light green, dark green, and tan. President Seretse Khama Ian Khama at left center. Back: national assembly building in Gaborone. Watermark: rearing zebra and 10. Printer: DLR.
Collectors Comment: Prefix: AE. TBB B129a
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Botswana pick 36: 10 Pula from 2020
ND. Green.
Collectors Comment: Purchased from Yuri111. Prefix: AF (from AF0200001), AG. TBB B130b