B's: 
Bhutan
Bhutan pick 5a: 1 Ngultrum from 1981
ND (1981). Blue on multicolored underprint. Royal emblem between facing dragons at center. Simtokha Dzong palace at center on back.
Serial number at upper left and upper right.
Collectors Comment: Prefix: A/1. TBB B105a
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Bhutan pick 6a: 2 Ngultrum from 1981
ND (1981). Brown and green on multicolored underprint. Royal emblem between facing dragons at center. Simtokha Dzong palace at center on back.
Serial number at upper left and upper right.
Collectors Comment: Prefix: B/1. TBB B106a
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Bhutan pick 12a: 1 Ngultrum from 1986
ND (1986). Blue on multicolored underprint. Two signature varieties. Royal emblem between two facing dragons at center. Simtokah Dzong palace at center on back.
Serial number at lower left and upper right.
Collectors Comment: Prefix: A/1, A/2. TBB B201a
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Bhutan pick 27b: 1 Ngultrum from 2013
ND (2013). Dark blue and orange on multicolored underprint. Two dragons. Back: Simtokha Dzong palace.
Collectors Comment: Prefix: I. TBB B216b
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+2 More
Bhutan pick 28b: 5 Ngultrum from 2011
2011. Brown and orange on multicolored underprint. Circle flanked by two mythological birds. Back: Taktsang palace.
Collectors Comment: Prefix: J. TBB B217b
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Bhutan pick 29b: 10 Ngultrum from 2013
2013. Blue-violet on tan and green underprint. King Jigme Dorji Wangchick at right. Back: Paro Dzong palace at center.
Collectors Comment: Purchased from Banknoteworld.com. Prefix: K. TBB B218b
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Bhutan pick 30b: 20 Ngultrum from 2013
2013. Green on yellow and multicolored underprint. King Jigme Doriji Wangchuk at right. Back: Punakha Dzong palace.
Collectors Comment: Purchased from banknoteworld.com. Prefix: L. TBB B219b
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