Australia 1951 Y. Halfpenny
Mint: | Perth | Mintage: | Part 29,422,080 - Estimate 2,650,000 | Milling: | Plain |
Weight: | 5.67 grams | Diameter: | 25.5 mm | Composition: | 97% Copper, 2.5% Zinc, 0.5% Tin |
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Wear
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Obverse 5 - English (melbourne modified)
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Wear
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Reverse B - London
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Click on Wear to show high points first susceptible to wear |
Value
BM
Ad
NP
|
8
Good
VG10
|
10
VG
F12
|
12
about F
F15
|
15
Fine
VF20
|
20
good F
VF25
|
25
about VF
VF30
|
30
Very Fine
VF35
|
35
good VF
EF40
|
40
about EF
EF45
|
45
Ext Fine
AU50
|
50
good EF
AU53
|
53
about Unc
AU55
|
58+
virt Unc
AU58
|
58-60
Uncirc
MS60
|
58-61
Uncirc
MS61
|
58-62
Uncirc
MS62
|
63-64
Choice Unc
MS63
|
64-65
near Gem
MS64
|
65-66
Gem
MS65
|
66-67
Gem
MS66
|
67-68
Gem
MS67
|
68
near Flaw
MS68
|
69
virt Flaw
MS69
|
70
Flawless
MS70
|
Proof
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
B |
BV
+
NGC
PCGS
|
BV
+
NGC
PCGS
|
BV
+
NGC
PCGS
|
BV
+
NGC
PCGS
|
BV
+
NGC
PCGS
|
BV
+
NGC
PCGS
|
BV
+
NGC
PCGS
|
BV
+
NGC
PCGS
|
$2
+
NGC
PCGS
|
$3
+
NGC
PCGS
|
$5
+
NGC
PCGS
|
$10
+
NGC
PCGS
|
$15
+
NGC
PCGS
|
$30
+
NGC
PCGS
|
$40
+
NGC
PCGS
|
$50
+
NGC
PCGS
|
$75
+
NGC
PCGS
|
$125
+
NGC
PCGS
|
$250
+
NGC
PCGS
|
$400
+
NGC
PCGS
|
$750
+
NGC
PCGS
|
$1500
+
NGC
PCGS
|
-
+
NGC
PCGS
|
-
+
NGC
PCGS
|
Y
|
RB |
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
$3
+
NGC
PCGS
|
$5
+
NGC
PCGS
|
$10
+
NGC
PCGS
|
$20
+
NGC
PCGS
|
$40
+
NGC
PCGS
|
$50
+
NGC
PCGS
|
$60
+
NGC
PCGS
|
$100
+
NGC
PCGS
|
$150
+
NGC
PCGS
|
$300
+
NGC
PCGS
|
$500
+
NGC
1
PCGS
|
$1000
+
NGC
PCGS
|
$1750
+
NGC
PCGS
|
$3000
+
NGC
PCGS
|
-
+
NGC
PCGS
|
-
+
NGC
PCGS
|
Y
|
R |
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
"
+
NGC
PCGS
|
$50
+
NGC
PCGS
|
$60
+
NGC
PCGS
|
$100
+
NGC
PCGS
|
$150
+
NGC
PCGS
|
$300
+
NGC
PCGS
|
$500
+
NGC
PCGS
|
$1000
+
NGC
PCGS
|
$1750
+
NGC
PCGS
|
$2500
+
NGC
PCGS
|
-
+
NGC
PCGS
|
-
+
NGC
PCGS
|
-
+
NGC
PCGS
|
Y
|
BM
Benchmark
Ad
Adjectival
NP
NGC/PCGS
Collectable grades
Does not exist by definition
Investment grades
-
Unlikely to exist
Aspirational grades
BV
Bullion or metal value
Not known in these grades
''
Value as above
Proof
Y (Yes)
N (Not known)
N (Not known)
Last updated April 2023
Notes:
1951 marked the pinnacle of Australian halfpenny production, with three mints producing a total of 41,422,800 coins of five different types (or six if you recognize the two 'PL' types). The Perth Mint struck 29,422,080 halfpennies both with and without the 'Y.' mint mark and using two different obverse dies, combinations of which resulted in the occurrence of common, scarce and rare types for the same year. The rarest of the four Perth issues, with a reported mintage of just 126,720, used the obverse introduced in 1949 which is distinguished by 146 denticles and allied it with the 'no mint mark' reverse. Another variety which aligned the 'no mint mark' reverse with a new obverse with 149 denticles accounts for less than ten percent of the overall mintage and is itself a scarce coin. In general circulation the 1951 Y. Halfpenny with the new obverse is much scarcer than the 1951 Y. Halfpenny with the old obverse which constitutes the major production run, but collectors should be aware that coins with the new obverse do turn up in high grade in disproportionate numbers having been hoarded by the noted collector Syd Hagley. The 1951 'PL' Halfpenny struck at the London Mint used the old obverse identified by 146 denticles. This indicates that the new obverse with 149 denticles was an Australian production, and probably the work of the Melbourne Mint as it is thought that the Perth Mint did not have the skills to produce dies until 1952.