Whitman Expo
CAC approved and CACG encapsulated coins fared well in public sales during the month of July 2026.
Thank you to our sponsors!
Go check them out!
Obverse Description
Thai text; Ananda Mahidol (Rama VIII) wearing military uniform; Wat Arun (Temple of the Dawn) of the Chao Phraya River in Bangkok; Royal Garuda emblem; airapote (3-headed elephant)
Reverse Description
Thai text; Ananta Samakhom Throne Hall in Bangkok
Catalog Information
GSID:
139543
Variety:
Sig 21 Printer: กรมแผนที่ (Royal Thai Survey Department) Prefix S/32 - S/42
BNB #:
B121d
Pick #:
P53B
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for Sig 21 Printer: กรมแผนที่ (Royal Thai Survey Department) Prefix S/32 - S/42
Body: Referring page: https://www2.greysheet.com/prices/item/sig-21-printer-royal-thai-survey-department-prefix-s-32-s-42/gsid/139543 GSID: 139543 Title: Sig 21 Printer: กรมแผนที่ (Royal Thai Survey Department) Prefix S/32 - S/42
Subscribe to View
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Bank Note Value History
Sig 21 Printer: กรมแผนที่ (Royal Thai Survey Department) Prefix S/32 - S/42
Value By Grade
Sig 21 Printer: กรมแผนที่ (Royal Thai Survey Department) Prefix S/32 - S/42
Banknote Book values
Currency
Grade Range
Sort by
Pricing
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 July 2026
8/18/2026
Editor's Message: Red Book Quarterly Summer 2026
This issue of Red Book Quarterly comes amidst the thick of a rare coin bull market.
8/17/2026
A New Chapter for Raleigh Money Expo Starting in 2027
Whitman Expos and Raleigh Coin Club Partner to Create the Carolinas' Premier Collecting Event and a New National Numismatic Destination.
8/15/2026
Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, June 2, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, June 2, 2026
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, June 3, 2026