Whitman Expo
New coins from Japan, Kazakhstan, and Spain.
Thank you to our sponsors!
Go check them out!
Obverse Description
Thai text; Bhumibol Adulyadej (Rama IX) wearing military uniform; Dusidaphirom Pavilion and Chakri Mahaprasart Pavilion; Royal Garuda emblem; airapote (3-headed elephant)
Reverse Description
Thai text; Ananta Samakhom Throne Hall in Bangkok
Catalog Information
GSID:
139610
Variety:
Black s/n Sig 28 Prefix F/13 - F/18 Intro: 23 02 1950
BNB #:
B143e
Pick #:
P72
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for Black s/n Sig 28 Prefix F/13 - F/18 Intro: 23 02 1950
Body: Referring page: https://www2.greysheet.com/prices/item/black-s-n-sig-28-prefix-f-13-f-18-intro-23-02-1950/gsid/139610 GSID: 139610 Title: Black s/n Sig 28 Prefix F/13 - F/18 Intro: 23 02 1950
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
Black s/n Sig 28 Prefix F/13 - F/18 Intro: 23 02 1950
Value By Grade
Black s/n Sig 28 Prefix F/13 - F/18 Intro: 23 02 1950
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
Weekly World Mint Coinage: August 20, 2026
8/20/2026
Right for its Time: The Short Life of the 2 Cent Coin
The United States utilized a two-cent coin for just ten years, from 1864 to 1873.
8/19/2026
Loring-Levin Collection Consigned to Heritage's January 2027 FUN U.S. Coins Auction
Denis W. Loring was among Early American Coppers' Charter Members.
8/19/2026
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