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Obverse Description
English text; montage of trees, books, penicillin cultures, mice, Library of the Sir William Dunn School of Pathology at Oxford; Howard Walter Florey, pharmacologist and pathologist
Reverse Description
English text; Ian Clunies Ross, veterinarian; montage of scientific equipment, snowflakes, satellite dish, microscope, chemical symbols, DNA strands, Oribatid mite, clump of wheat, small fruit fly (Drosophila melanogaster)
Catalog Information
GSID:
107504
Variety:
Solid security thread at left Prefix unknown - YCZ
BNB #:
B215b2
Pick #:
P47
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Subject: I would like to contribute catalog info to CDN for Solid security thread at left Prefix unknown - YCZ
Body: Referring page: http://www.greysheet.com/prices/item/solid-security-thread-at-left-prefix-unknown-ycz/gsid/107504 GSID: 107504 Title: Solid security thread at left Prefix unknown - YCZ
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Bank Note Value History
Solid security thread at left Prefix unknown - YCZ
Currency
Grade Range
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Values
Banknote Book (CPG) Values
No date Sig 1a: Coombs/Wilson Prefix AF/20 - AH/65 Intro: 1961
Worth: $6 – $110
Diagonal red hollow SPECIMEN ovpt front/back; low s/n
Replacement: Hollow star (✩) suffix
No date Sig 1a: Coombs/Wilson Dark green back Prefix HF/65 - unknown Intro: 1961
Worth: $5 – $90
Emerald green back Prefix unknown - HK/65
Worth: $5 – $90
Diagonal red hollow SPECIMEN ovpt front/back; normal s/n
Replacement: Hollow star (✩) suffix
Replacement: Hollow star (✩) suffix Unconfirmed
No date Sig 1a: Coombs/Wilson Prefix TB/41 - TD/09 Intro: 1961
Worth: $10 – $170
Diagonal red hollow SPECIMEN ovpt front/back; normal s/n
Replacement: Hollow star (✩) suffix
No date Sig 1a: Coombs/Wilson Prefix WA/28 - WA/62 Intro: 1961
Worth: $18 – $275
Diagonal red hollow SPECIMEN ovpt front/back; normal s/n
No date Sig 1b: Coombs/Wilson Prefix AAA - AGE Intro: 14 02 1966
Worth: $3 – $40
Sig 2: Coombs/Randall Prefix AGE - AHY Intro: 1968
Worth: $50 – $250
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CAC Coins Bring Premiums in September 2026
CAC approved and CACG encapsulated coins fared well in public sales during the month of September 2026.
10/14/2026
Events
Knoxville Coin and Currency Show - TN
Location: Rothchild Catering & Conference Center
Saturday, August 1, 2026
