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Obverse Description
Thai text; Royal Garuda emblem; royal ceremonial emblem of the Golden Jubilee, with elephants flanking crown; seated Bhumibol Adulyadej (Rama IX) wearing uniform; kinnon (mythological creature, half bird, half man); Rama IX hologram
Reverse Description
Thai text; Rama IX hologram; waterfall; dam; standing Rama IX with radio, pen, folded map, and SLR camera; agricultural crops; farmers in field with village
Catalog Information
GSID:
139882
Variety:
Sig 66
BNB #:
B170b
Pick #:
P101
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Subject: I would like to contribute catalog info to CDN for Sig 66
Body: Referring page: http://www.greysheet.com/prices/item/sig-66-b170b-139882-world-paper-money-values/gsid/139882 GSID: 139882 Title: Sig 66
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Bank Note Value History
Sig 66
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Values
Banknote Book (CPG) Values
No date Sig 16 Prefix C/1 - D/50 Thai digits in right s/n; variable weight font Intro: 07 03 1940
Worth: $6 – $100
Sig 23 Prefix D/51 - D/62 Western digits in both s/n; monoweight font Intro: 22 05 1946
Worth: $6 – $100
Diagonal red DLR oval ovpt front; horizontal red SPECIMEN No # ovpt lower left front; no sig ; all-zero s/n
No date Sig 16 Prefix K/26 - K/27 Intro: 07 03 1940
Horizontal purple SPECIMEN ovpt front; no sig ; no s/n
No date Sig 16 Prefix N/16 - N/39 Intro: 07 03 1940
Worth: $40 – $150
Sig 23 Prefix N/48 - N/55
Worth: $40 – $150
No date Sig 16 s/n T/1 20001 - T/1 40000 Intro: 07 03 1940
Worth: $800 – $3,400
Diagonal black DLR oval ovpt front; horizontal black SPECIMEN No # ovpt lower left front; all-zero s/n
No date Sig 17 Thai digits in right s/n Prefix A/1 - A/40 Intro: 24 06 1942
Worth: $30 – $450
Western digits in both s/n Prefix A/41 - C/28
Worth: $30 – $450
Sig 19 Prefix C/29 - C/32
Worth: $30 – $450
Sig 20 Prefix C/33
Worth: $30 – $450
No ovpt; no perf; all-zero s/n
No date Sig 17 Wmk: Constitution on phan (decorated tray with pedestal) Prefix N/1 - N/50 Intro: 24 05 1943
Worth: $60 – $1,200
Greysheet News
CAC Coins Bring Premiums in September 2026
10/14/2026
Andrew Taggart Joins Heritage Auctions to Lead Decorative Arts to 1900
The former Freeman's senior specialist will oversee a newly reorganized department with an expanded scope that includes American furniture and decorative arts.
10/14/2026
Trump Dollar Offered in Bags, Rolls
In early September, the U.S. Mint began selling bags and rolls of Semiquincentennial one-dollar coins.
10/12/2026
Events
Knoxville Coin and Currency Show - TN
Location: Rothchild Catering & Conference Center
Saturday, August 1, 2026
