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We now have the first prices realized dataset for the immense Stack's Bowers Global Showcase auction, and it reveals a market that is moving in two directions at the same time.
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Obverse Description
Portuguese text; aviation pioneer, Alberto Santos-Dumont
Reverse Description
Portuguese text; Santos-Dumont flying 14-bis canard biplane on 12 November 1906 above spectators in grassy field in Paris, France
Catalog Information
GSID:
89260
Variety:
No date Sig 2 Series 1-493 Intro: 00 08 1966
BNB #:
B802a
Pick #:
P182B
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Subject: I would like to contribute catalog info to CDN for No date Sig 2 Series 1-493 Intro: 00 08 1966
Body: Referring page: http://www.greysheet.com/prices/item/no-date-sig-2-series-1-493-intro-00-08-1966/gsid/89260 GSID: 89260 Title: No date Sig 2 Series 1-493 Intro: 00 08 1966
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Bank Note Value History
No date Sig 2 Series 1-493 Intro: 00 08 1966
Value By Grade
No date Sig 2 Series 1-493 Intro: 00 08 1966
Banknote Book values
Currency
Grade Range
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Pricing
No date Sig 2 Series 1701-2200 Intro: 1965
Worth: $2 – $30
Diagonal red SPECIMEN and DLR oval ovpts; horizontal red SPECIMEN No # ovpt lower left; all-zero s/n
Series 561-590 Intro: 1967
Worth: $6 – $100
Diagonal red SPECIMEN ovpt front; all-zero s/n
Two diagonal red MODÊLO ovpts
Uniface front proof; no ovpt; no perf; no s/n
No date Sig 2 Title right: MINSTRO… (error) Series 3056-3151 Intro: 13 02 1967
Worth: $2 – $2
Title right: MINISTRO… (corrected) Series 3152-4055
Worth: $2 – $2
No date Sig 2 Title right: MINSTRO… (error) Series 786-1313 Intro: 13 02 1967
Worth: $2 – $2
Title right: MINISTRO… (corrected) Series 1314-1885
Worth: $2 – $2
No date Sig 2 Title right: MINSTRO… (error) Series 416-911 Intro: 13 02 1967
Worth: $3 – $3
Title right: MINISTRO… (corrected) Series 912-1515
Worth: $3 – $3
No date Sig 2 Series 1461-2360 Intro: 13 02 1967
Worth: $1 – $13
Two diagonal red SPECIMEN ovpts front; no s/n; selvage
Two diagonal red SPECIMEN ovpts front; all-zero s/n
Greysheet News
October 2026 Greensheet Market Analysis: Collector Grade Notes Strong
10/7/2026
Stack's Bowers Galleries' Summer 2026 Global Showcase Auction Realizes Over $70 Million
Results Set Record for the Firm's Highest Grossing Auction Sale in its 90+ Year History.
10/7/2026
The Business of Numismatics: October 2026 Greysheet Editor's Letter
While reviewing the initial results in various categories of recent auctions, my initial take is that the sales were moderate to strong.
10/6/2026
Events
Knoxville Coin and Currency Show - TN
Location: Rothchild Catering & Conference Center
Saturday, August 1, 2026
