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.
Image Coming Soon
We're working on adding images for this item.
Thank you to our sponsors!
Go check them out!
Obverse Description
Spanish text; coat of arms as registration device; National Palace building in San Salvador (edificio del Palacio Nacional)
Reverse Description
Spanish text; Christopher Colombus (Cristobal Colón) wearing hat; map of Americas, Atlantic Ocean, Europe, and Africa; Niña, Pinta, and Santa María sailing ships
Catalog Information
GSID:
197071
Variety:
Sig 87: Milla/Unknown/Montenegro Series F - I
BNB #:
B1076b
Pick #:
P147
Send Catalog Feedback
Subject: I would like to contribute catalog info to CDN for Sig 87: Milla/Unknown/Montenegro Series F - I
Body: Referring page: http://www.greysheet.com/prices/item/sig-87-milla-unknown-montenegro-series-f-i/gsid/197071 GSID: 197071 Title: Sig 87: Milla/Unknown/Montenegro Series F - I
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 87: Milla/Unknown/Montenegro Series F - I
Currency
Grade Range
Sort by
Pricing
Values
Banknote Book (CPG) Values
31 DE AGOSTO DE 1934 Sig 1: Bustamante/Alfaro/Duke Series A
Worth: $35 – $300
4 DE SEPTIEMBRE DE 1941 Sig 4: Guirola/Alfaro/Duke Series C
Worth: $35 – $300
14 DE ENERO DE 1943 Sig 5: Laxton/Alfaro/Duke Series D, E
Worth: $30 – $275
Two diagonal red SPECIMEN ovpts front; all-zero s/n
Worth: $250 – $250
Two diagonal red SPECIMEN ovpts front; all-zero s/n
Worth: $250 – $250
Two diagonal red SPECIMEN ovpts front; all-zero s/n
Worth: $250 – $250
31 DE AGOSTO DE 1934 Sig 1: Bustamante/Alfaro/Duke Series A
Worth: $50 – $175
19 DE MARZO DE 1942 Sig 2: Duke/Alfaro/Duke Series B
Worth: $50 – $200
11 DE ENERO DE 1944 Sig 6: Craik/Alfaro/Duke Series C
Worth: $50 – $200
3 DE ENERO DE 1951 Sig 3: Rodriguez/Alfaro/Duke Series D
Worth: $50 – $700
2 DE MAYO DE 1951 Sig 9: Meza/Alfaro/Duke Series E
Worth: $50 – $700
14 DE MAYO DE 1952 Sig 10: Tomás/Alfaro/Duke Series F
Worth: $50 – $700
Two diagonal red SPECIMEN ovpts front; all-zero s/n
Worth: $250 – $250
Two diagonal red SPECIMEN ovpts front; all-zero s/n
Worth: $250 – $250
Two diagonal red SPECIMEN ovpts front; all-zero s/n
Worth: $250 – $250
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