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Obverse Description
Bilingual text with Afrikaans predominating over English; Jan van Riebeeck; high-voltage transmission tower
Reverse Description
Sasol refinery with liquefied natural gas spheres; cog wheel, chemistry retort, and smelting ladle
Catalog Information
GSID:
135127
Variety:
Sig 6: de Kock Prefix A3/# - A4/# Intro: 1981
BNB #:
B747b
Pick #:
P118
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Subject: I would like to contribute catalog info to CDN for Sig 6: de Kock Prefix A3/ - A4/ Intro: 1981
Body: Referring page: http://www.greysheet.com/prices/item/sig-6-de-kock-prefix-a3-a4-intro-1981/gsid/135127 GSID: 135127 Title: Sig 6: de Kock Prefix A3/# - A4/# Intro: 1981
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Bank Note Value History
Sig 6: de Kock Prefix A3/# - A4/# Intro: 1981
Value By Grade
Sig 6: de Kock Prefix A3/# - A4/# Intro: 1981
Banknote Book values
Currency
Grade Range
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Pricing
Values
Banknote Book (CPG) Values
30 November 1921 - 31 January 1922 Sig 1: Clegg Prefix E/1 - E/3
Worth: $1,200 – $1,200
Horizontal CANCELLED perf; s/n range
30 November 1921 - 31 January 1922 Sig 1: Clegg Prefix E/1 - E/3
Worth: $1,200 – $1,200
17 September 1921 - 5 July 1922 Sig 1: Clegg Prefix A/1 - A/12
27 September 1921 - 6 July 1922 Sig 1: Clegg Prefix B/1 - B/3
Worth: $500 – $1,500
Diagonal black SPECIMEN ovpt front/back; all-zero s/n
29 September 1921 Sig 1: Clegg Prefix C/1 (C/2 unissued)
30 September 1921 Sig 1: Clegg Prefix D/1 (D/2 unissued)
Diagonal black SPECIMEN ovpt front/back; all-zero s/n
20 September 1926 - 15 December 1926 Sig 1: Clegg Prefix E/4 - E/6
Two diagonal black SPECIMEN ovpts front; no s/n
1 September 1925 - 4 April 1928 Sig 1: Clegg Prefix A/13 - A/17
Worth: $375 – $375
7 April 1926 Sig 1: Clegg Prefix B/4
1 September 1928 - 9 September 1931 Sig 1: Clegg Prefix E/7 - E/11
Worth: $325 – $325
2 April, 1932 with 17 November, 1931 ovpt Prefix E/12
Worth: $325 – $325
Greysheet News
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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
