Whitman Expo
As we enter the always-busy month of August and the important auction sales at the end of the month, the paper money market, both U.S. and World, are in great shape.
Thank you to our sponsors!
Go check them out!
Obverse Description
Portuguese text; José Eduardo dos Santos & António Agostinho Neto
Reverse Description
Portuguese text; coat of arms; bird flying over Dande body of water and trees
Catalog Information
GSID:
85510
Variety:
Sig 15: Silva Prefix LA - LI Intro: 2018
BNB #:
B550b
Pick #:
P157
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for Sig 15: Silva Prefix LA - LI Intro: 2018
Body: Referring page: https://www1.greysheet.com/prices/item/sig-15-silva-prefix-la-li-intro-2018/gsid/85510 GSID: 85510 Title: Sig 15: Silva Prefix LA - LI Intro: 2018
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 15: Silva Prefix LA - LI Intro: 2018
Currency
Grade Range
Sort by
Pricing
Values
Banknote Book (CPG) Values
11 DE NOVEMBRO DE 1976 Sig 1: Mingas/Lilolwa Prefix AA - BF Intro: 08 01 1977
Worth: $1 – $15
Diagonal red SPECIMEN ovpt front; all-zero s/n
Replacement: 1st prefix letter Z Unconfirmed
11 DE NOVEMBRO DE 1976 Sig 1: Mingas/Lilolwa Prefix AA - BA Intro: 08 01 1977
Worth: $1 – $18
Diagonal red SPECIMEN ovpt front; all-zero s/n
Replacement: 1st prefix letter Z. Unconfirmed
11 DE NOVEMBRO DE 1976 Sig 1: Mingas/Lilolwa Prefix AA - BR Intro: 08 01 1977
Worth: $1 – $15
Diagonal red SPECIMEN ovpt front; all-zero s/n
Replacement: 1st prefix letter Z Unconfirmed
11 DE NOVEMBRO DE 1976 Sig 1: Mingas/Lilolwa Prefix AA - AT Intro: 08 01 1977
Worth: $1 – $15
Diagonal red SPECIMEN ovpt front; all-zero s/n
Replacement: 1st prefix letter Z Unconfirmed
11 DE NOVEMBRO DE 1976 Sig 1: Mingas/Lilolwa Prefix AA - BG Intro: 08 01 1977
Diagonal red SPECIMEN ovpt front; all-zero s/n
Replacement: 1st prefix letter Z Unconfirmed
Greysheet News
August 2026 Greensheet Market Analysis: Collectors Anticipate August Auctions
8/3/2026
![Greysheet Market Report: Modern Coins That Skyrocketed in Value [Video]](https://images.greysheet.com/l/blogs/20260803/59fda98c-00fe-4df8-b423-943ff359f09d.jpg)
Greysheet Market Report: Modern Coins That Skyrocketed in Value [Video]
The Best Coins to Buy Before Prices Rise! A Podcast featuring John Feigenbaum and Ursula Kampmann.
8/3/2026
Physical Cryptocurrency Pushes Heritage's July Modern World Coins Showcase Auction Above $762,000
Casascius Bitcoin, BTCC “Poker Chip” and elite modern gold Proof issues bring strong results in Heritage's July 26 event.
7/31/2026
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