Whitman Expo
Rarities across the spectrum of American coinage are set to cross the auction block.
Thank you to our sponsors!
Go check them out!
Obverse Description
Thai text; Royal Garuda emblem; royal seal; Bhumibol Adulyadej (Rama IX) wearing uniform
Reverse Description
Thai text; Royal monograms; five students walking from school toward candle and open book; royal initial emblem; seated Rama V and standing Rama VI, both holding swords; seated monk and two boys; Royal Garuda emblem
Catalog Information
GSID:
139852
Variety:
Sig 74a
BNB #:
B163k
Pick #:
P97
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for Sig 74a
Body: Referring page: https://www2.greysheet.com/prices/item/sig-74a-b163k-139852-world-paper-money-values/gsid/139852 GSID: 139852 Title: Sig 74a
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 74a
Currency
Grade Range
Sort by
Pricing
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
Stack's Bowers Galleries to Present Over 600 Impressive Numismatic Rarities in the Summer 2026 Global Showcase Rarities Night Session
8/21/2026
eBay Expands Authenticity Guarantee to Collectible Coins
eBay, one of the world's largest marketplaces for unique and historic coins, today announced the expansion of Authenticity Guarantee in the U.S. to a new category: collectible coins.
8/21/2026
1941-D Walking Liberty Half Dollar Leads Heritage CAC-Approved Coinage Showcase Auction to $447,813
CAC-approved Walking Liberty half dollars claim three of the auction's top four results.
8/21/2026
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