Whitman Expo
The rare coin market so far in 2026 has been somewhat volatile, with greater price swings happening over a shorter period of time when compared to historical norms.
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Like B139, but lithographed (not intaglio), windowed thread, and color changes on back.
Obverse Description
French text; leopard; Mobutu Sésé Seko in uniform with cap; coat of arms
Reverse Description
French text; Inga I hydroelectric dam on Congo River; bank initials
Catalog Information
GSID:
148184
Variety:
Replacement: Suffix Z Unconfirmed
BNB #:
B140az
Pick #:
P59
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Subject: I would like to contribute catalog info to CDN for Replacement: Suffix Z Unconfirmed
Body: Referring page: http://www.greysheet.com/prices/item/replacement-suffix-z-unconfirmed-b140az-148184-world-paper-money-values/gsid/148184 GSID: 148184 Title: Replacement: Suffix Z Unconfirmed
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Pricing Data Not Yet Available
We are constantly adding to our pricing database and prioritize user requests. Click below to request pricing for this item.
Request Pricing 30 • 6 • 1973 Sig 1: N’Bagui
Worth: $1 – $20
4 • 10 • 1974
Worth: $1 – $20
4 • 10 • 1975
Worth: $1 – $20
24 • 6 • 1976
Worth: $3 – $50
24 • 6 • 1977
Worth: $3 – $50
20 • 5 • 1978 Sig 2: Nkoso
Worth: $1 – $15
Diagonal red SPECIMEN ovpt front/back; all-zero s/n
Separate front/back; diagonal red SPECIMEN ovpt front; horizontal and vertical WERTLOS pattern back; all-zero s/n
Replacement: Suffix Z Unconfirmed
15 • 3 • 1972 Sig 1: N’Bagui
Worth: $3 – $10
27 • 10 • 1974
Worth: $3 – $10
20 • 5 • 1975
Worth: $3 – $10
27 • 10 • 1975
Worth: $3 – $10
27 • 10 • 1976
Worth: $3 – $10
27 • 10 • 1977 Sig 2: Nkoso
Worth: $3 – $10
Greysheet News
The Business of Numismatics: November 2026 Greysheet Editor's Letter
11/4/2026
Whitman Expos Prepares for Flagship Baltimore Show November 12-14 Amid Hot Numismatic Market
Free three-day Fall Expo brings Stack's Bowers Galleries Showcase Auction lot viewing, a 2026 U.S. 250th Anniversary coins, educational programming, and one of the hobby's biggest dealer floor to the Baltimore Convention Center.
11/4/2026
November 2026 Greensheet Market Analysis: Heritage Sale Keeps Market Moving
The Heritage Auctions United States currency sale of October 6 to 9 realized $8,736,186 for 2,194 lots.
11/3/2026
Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session
Location: Heritage Auctions
Tuesday, September 1, 2026