Whitman Expo
Genghis Khan gold Dinar and Qing Dynasty 50 Taels Sycee also among top results in $416,821 event.
Thank you to our sponsors!
Go check them out!
Obverse Description
Thai text; Royal Garuda emblem; Bhumibol Adulyadej (Rama IX) in the Royal House of Chakri gown
Reverse Description
Thai text; Royal Garuda emblem; Ramkhamhaeng stele; invention of Thai script, Lai Sue; statue of King Ramkhamhaeng the Great seated on the Manangkhasila Asana Throne; grievance hearing with Bell of King Ramkhamhaeng and Sangkhalok Wares
Catalog Information
GSID:
139955
Variety:
Sig 85
BNB #:
B181b
Pick #:
P118
Send Catalog Feedback
Subject: I would like to contribute catalog info to CDN for Sig 85
Body: Referring page: http://www.greysheet.com/prices/item/sig-85-b181b-139955-world-paper-money-values/gsid/139955 GSID: 139955 Title: Sig 85
Subscribe to View
Log In
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Bank Note Value History
Sig 85
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
Rare 'Return of Macao' Gold 500 Yuan Leads Heritage's Oct. 4 Hong Kong Autumn World Coins Showcase Auction
10/10/2026
![Red Book Podcast: Rare & Undervalued? Yes! The So-Called Dollars Most Collectors Miss! [Video]](https://images.greysheet.com/l/blogs/20261008/9fdd334d-fa62-4379-8573-6337115182ac.jpg)
Red Book Podcast: Rare & Undervalued? Yes! The So-Called Dollars Most Collectors Miss! [Video]
Red Book Podcast featuring Jeff Garrett and Jeff Shevlin
10/9/2026
Denver Mint Silver: Rarities of the 20th Century
On nine occasions in the 20th century, the Denver Mint produced fewer than one million coins in a certain year and denomination.
10/9/2026
Events
Knoxville Coin and Currency Show - TN
Location: Rothchild Catering & Conference Center
Saturday, August 1, 2026
