Whitman Expo
CAC approved and CACG encapsulated coins fared well in public sales during the month of September 2026.
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Obverse Description
Spanish text; flag; Dionisio de Herrera; coat of arms
Reverse Description
Spanish text; trees and waterfalls representing hydroelectric project (proyecto hidroeléctrico de Río Lindo)
Catalog Information
GSID:
108054
Variety:
Diagonal red hollow SPECIMEN ovpt front/back; no date; no sig ; all-zero s/n
BNB #:
B309s2
Pick #:
P53
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Subject: I would like to contribute catalog info to CDN for Diagonal red hollow SPECIMEN ovpt front/back; no date; no sig ; all-zero s/n
Body: Referring page: http://www.greysheet.com/prices/item/diagonal-red-hollow-specimen-ovpt-front-back-no-date-no-sig-all-zero-s-n/gsid/108054 GSID: 108054 Title: Diagonal red hollow SPECIMEN ovpt front/back; no date; no sig ; all-zero s/n
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Request Pricing 16 DE MARZO DE 1951 Sig 1: Ramírez/Medrano/Batres Prefix A Intro: 09 06 1951
Worth: $12 – $50
4 DE MAYO DE 1951 Prefix B - G
Worth: $12 – $50
28 DE DICIEMBRE DE 1951 Prefix H - Q
Worth: $12 – $50
Two diagonal red MUESTRA / SIN VALOR ovpts front; no s/n
Blue; two diagonal red SPECIMEN / WATERLOW & SONS LIMITED ovpts front; no date; no sig ; no s/n
1o DE JULIO DE 1950 Sig 1: Ramírez/Medrano/Batres Prefix A 2,000,000 notes (all varieties) Intro: 01 07 1950
Worth: $40 – $750
11 DE JULIO DE 1950
Worth: $40 – $750
22 DE SEPTIEMBRE DE 1950
Worth: $40 – $750
22 DE DICIEMBRE DE 1950 Prefix B
Worth: $40 – $750
16 DE FEBRERO DE 1951
Worth: $40 – $750
25 DE MAYO DE 1951 Sig 1: Ramírez/Medrano/Batres Prefix A Intro: 27 06 1951
Worth: $5 – $80
31 DE AGOSTO DE 1951
Worth: $5 – $80
19 DE OCTUBRE DE 1951
Worth: $5 – $80
4 DE ENERO DE 1952
Worth: $5 – $80
21 DE MARZO DE 1952
Worth: $5 – $80
Greysheet News
CAC Coins Bring Premiums in September 2026
10/14/2026
Andrew Taggart Joins Heritage Auctions to Lead Decorative Arts to 1900
The former Freeman's senior specialist will oversee a newly reorganized department with an expanded scope that includes American furniture and decorative arts.
10/14/2026
Trump Dollar Offered in Bags, Rolls
In early September, the U.S. Mint began selling bags and rolls of Semiquincentennial one-dollar coins.
10/12/2026
Events
Knoxville Coin and Currency Show - TN
Location: Rothchild Catering & Conference Center
Saturday, August 1, 2026
