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Obverse Description
Spanish text; Miguel Grau; coat of arms; Francisco Bolognesi
Reverse Description
Spanish text; stone ruins on mountaintop at Machu Picchu
Catalog Information
GSID:
128038
Variety:
16 de OCTUBRE de 1970 Sig 97: Barreto/Viale Prefix R10 - R16
BNB #:
B440c
Pick #:
P105a
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To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for 16 de OCTUBRE de 1970 Sig 97: Barreto/Viale Prefix R10 - R16
Body: Referring page: https://www2.greysheet.com/prices/item/16-de-octubre-de-1970-sig-97-barreto-viale-prefix-r10-r16/gsid/128038 GSID: 128038 Title: 16 de OCTUBRE de 1970 Sig 97: Barreto/Viale Prefix R10 - R16
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Pricing Data Not Yet Available
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Request Pricing 12 de Abril de 1922 Series D1 - D4 3,800,000 notes Intro: 1935
11 de Agosto de 1926 Series D5 600,000 notes Intro: 1935
12 de Abril de 1922 Series C1 - C4 3,450,000 notes Intro: 1935
11 de Agosto de 1926 Horizontal strokes in Diez ovpt Series C5, C6 1,200,000 notes (both varieties) Intro: 1935
Diagonal strokes in Diez ovpt
12 de Abril de 1922 Series B1 560,000 notes Intro: 1935
11 de Agosto de 1926 Series B2 200,000 notes Intro: 1935
12 de Abril de 1922 Series A1 85,000 notes Intro: 1935
11 de Agosto de 1926 Series A2 50,000 notes Intro: 1935 Unconfirmed
3 DE MAYO DE 1935 Sig Sig 6: Wiese/Prado/Tola Series A - E 5,000,000 notes
26 DE ABRIL DE 1935 Series A Sig 1: Grau/Prado/Tola 10,000,000 notes (all varieties)
Series B Sig 2: Salocchi/Prado/Tola
Series C Sig 3: Solar/Prado/Tola
Series D Sig 4: Caso/Prado/Althaus
Series E Sig 5: Echenique/Prado/Althaus
Greysheet News
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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
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Location: Heritage Auctions
Tuesday, June 2, 2026
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, June 3, 2026