Whitman Expo
The search is on for special quarter dollars that will be placed in circulation by the United States Mint as part of the nation's Semiquincentennial celebration.
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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:
107512
Variety:
Sig 12: Fraser/Evans Prefix WQK - WZZ Intro: 1994
BNB #:
B215j
Pick #:
P47
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Subject: I would like to contribute catalog info to CDN for Sig 12: Fraser/Evans Prefix WQK - WZZ Intro: 1994
Body: Referring page: http://beta.greysheet.com/prices/item/sig-12-fraser-evans-prefix-wqk-wzz-intro-1994/gsid/107512 GSID: 107512 Title: Sig 12: Fraser/Evans Prefix WQK - WZZ Intro: 1994
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Bank Note Value History
Sig 12: Fraser/Evans Prefix WQK - WZZ Intro: 1994
Currency
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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
Greysheet News
Special Quarters Headed for Circulation
8/10/2026
The Business of Numismatics: August 2026 Greysheet Editor's Letter
With the month of July and all the celebrations of Independence Day behind us, the rare coin market looks with anticipation to August.
8/7/2026
Stack's Bowers Galleries Presents the Extraordinary Mack C. Chase Collection of Walking Liberty Half Dollars in the 2026 Global Showcase Auction
"These coins have been off the market for at least 10-15 years, and many of them are in older generation grading holders as well, adding to the excitement," comments John M. Pack.
8/7/2026
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Wednesday, June 3, 2026