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Obverse Description
English and Tongan text; King Taufa’ahau Tupou IV; coat of arms
Reverse Description
English text; Tonga Development Bank building in Nuku’alofa
Catalog Information
GSID:
140784
Variety:
20 in rectangle added to left of portrait in UV ink
BNB #:
B210a2
Pick #:
P29&P35
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Bank Note Value History
20 in rectangle added to left of portrait in UV ink
Value By Grade
20 in rectangle added to left of portrait in UV ink
Banknote Book values
Currency
Grade Range
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Pricing
1 JULY 1989 Sig 1 Prefix C/1
Worth: $6 – $100
Diagonal red SPECIMEN ovpt; all-zero s/n
No date Sig 1 Prefix C/1 Intro: 1992
Worth: $1 – $5
No date Sig 1 Prefix C/1 Intro: 1992
Worth: $1 – $12
No date Sig 1 Prefix C/1 Intro: 1992
Worth: $1 – $20
No date Sig 1 Prefix C/1 Intro: 1992
Worth: $1 – $20
Sig 2
Worth: $1 – $20
No ovpt; no perf; no signature; handwritten PROOF NO # at lower left; all-zero s/n
No date Sig 2 Prefix C/1, C/2 Intro: 1995
Worth: $1 – $3
Sig 3 Prefix C/2, C/3
Worth: $1 – $3
Sig 4 Prefix C/3
Worth: $1 – $3
Sig 5 Prefix C/4
Worth: $1 – $3
No date Sig 2 Prefix C/1, C/2 Intro: 1995
Worth: $1 – $4
Sig 3 Prefix C/2
Worth: $1 – $4
Sig 4 Prefix C/2, C/3
Worth: $1 – $4
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Events
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, July 1, 2026
Heritage Auctions: World & Ancient Coins Wednesday & Thursday Select Auction
Location: Heritage Auctions
Thursday, July 2, 2026
