Whitman Expo
CAC approved and CACG encapsulated coins fared well in public sales during the month of July 2026.
Image Coming Soon
We're working on adding images for this item.
Thank you to our sponsors!
Go check them out!
Obverse Description
Turkish text; Mustafa Kemal Atatürk
Reverse Description
Turkish text; Main Gate of Istanbul University
Catalog Information
GSID:
141606
Variety:
Sig 21: Güpgüpoğlu/Arslaner Prefix E01 - O90 Intro: 09 09 1974
BNB #:
B267b
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for Sig 21: Güpgüpoğlu/Arslaner Prefix E01 - O90 Intro: 09 09 1974
Body: Referring page: https://www2.greysheet.com/prices/item/sig-21-güpgüpoglu-arslaner-prefix-e01-o90-intro-09-09-1974/gsid/141606 GSID: 141606 Title: Sig 21: Güpgüpoğlu/Arslaner Prefix E01 - O90 Intro: 09 09 1974
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: Güpgüpoğlu/Arslaner Prefix E01 - O90 Intro: 09 09 1974
Value By Grade
Sig 21: Güpgüpoğlu/Arslaner Prefix E01 - O90 Intro: 09 09 1974
Banknote Book values
Currency
Grade Range
Sort by
Pricing
11 HAZİRAN 1930 Sig 1: Çam/Bedirgil Series 1 Unissued Unconfirmed
Diagonal red hollow SPECIMEN ovpt front; horizontal red hollow SPECIMEN ovpt back; all-zero s/n
Worth: $5,000 – $5,000
Horizontal CANCELLED perf; all-zero s/n
Worth: $1,800 – $1,800
11.6.1930 11 HAZİRAN 1930 Sig 1: Çam/Bedirgil Series 1 Unissued Unconfirmed
Diagonal red hollow SPECIMEN ovpt front; horizontal red hollow SPECIMEN ovpt back; all-zero s/n
Worth: $15,000 – $15,000
11.6.1930 11 HAZİRAN 1930 Sig 3: Sunel/Erda Series D20 Unissued Unconfirmed
Green; horizontal CANCELLED perf; all-zero s/n
Worth: $1,800 – $1,800
Orange; horizontal CANCELLED perf; all-zero s/n
Worth: $1,800 – $1,800
Red; horizontal CANCELLED perf; all-zero s/n
Worth: $1,800 – $1,800
11.6.1930 11 HAZİRAN 1930 Sig 2: Çam/Erda Series A - C Intro: 25 04 1939
Worth: $25 – $800
Diagonal SPECIMEN perf; large red X ovpt back
Worth: $500 – $500
Horizontal CANCELLED perf
Worth: $500 – $500
11.6.1930 Diagonal red hollow SPECIMEN and black DLR oval ovpts; horizontal red SPECIMEN No # ovpt lower left
Worth: $500 – $500
11 HAZİRAN 1930 Sig 2: Çam/Erda Series A - F Intro: 15 10 1937
Worth: $25 – $1,000
Diagonal SPECIMEN perf
Worth: $750 – $750
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