Whitman Expo
On September 1, Stack's Bowers conducted a Rarities Night session in California as part of this firm's post-ANA World's Fair of Money® auction extravaganza.
Auction lot photos of this item graded VF20 BN
Coin Value History
1787 Copper Machins Mills MS BN VF20 BN
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1787 Machin's Mills Halfpenny. Vlack 19-87C, W-7940. Rarity-2. GEORGIVS III, Group III. VF-20 (PCGS).
VF20
PCGS
$600
'1787' 1/2 P Machin's Mills Halfpenny VF25 PCGS. PCGS Population: (10/82). NGC Census: (13/57). VF25. ...
VF25
PCGS
$264
'1787' 1/2 P Machin's Mills Halfpenny Fine 15 PCGS. PCGS Population: (9/94). NGC Census: (0/52). CDN: $150 Whsle. Bid for N...
F15
PCGS
$174
1787 Machin's Mills Halfpenny. Vlack 21-87D, W-7970. Rarity-4. GEORGIVS III, Group III. Fine-12 (PCGS).
F12
PCGS
$336
1787 Machin's Mills Halfpenny. Vlack 17-87B, W-7910. Rarity-2. GEORGIVS III, Group II. Fine-12 BN (NGC).
F12
NGC
$168
'1787' 1/2 P Machin's Mills Halfpenny VF30 PCGS. PCGS Population: (20/61 and 0/0+). NGC Census: (10/45 and 0/0+). CDN: $475...
VF30
PCGS
$528
1787 Machin's Mills Halfpenny. Vlack 17-87E, W-7920. Rarity-7. GEORGIVS III, Group II. VG-8 (PCGS).
VG8
PCGS
$3,840
1787 Machin's Mills Halfpenny. Vlack 21-87D, W-7970. Rarity-4. GEORGIVS III, Group III. Good-6 (PCGS).
G6
PCGS
$114
'1787' 1/2 P Machin's Mills Halfpenny, Vlack 17-87A, W-7900, R.2, VF35 PCGS. PCGS Population: 13 in 35, 54 finer (11/25). ...
VF35
PCGS
$488
1787 Machin's Mills Halfpenny. Vlack 17-87E, W-7920. Rarity-7. GEORGIVS III, Group II. VF-35 (PCGS).
VF35
PCGS
$28,800
1787 Machin's Mills Halfpenny. Vlack 17-87B, W-7910. Rarity-2. GEORGIVS III, Group II. Very Fine, Granular.
$129
'1787' 1/2 P Machin's Mills Halfpenny, Vlack 17-87A, W-7900, R.2, AU50 PCGS. ...
AU50
PCGS
$1,464
'1787' 1/2 P Machin's Mills Halfpenny, Vlack 17-87A, W-7900, R.2, AU55 PCGS. ...
AU55
PCGS
$2,074
'1787' 1/2 P Machin's Mills Halfpenny, GEORGIVS, Vlack 19-87C, W-7940, R.2, AU58 PCGS. ...
AU58
PCGS
$4,636
'1787' 1/2 P Machin's Mills Halfpennies, Vlack 20-87C, W-7950, R.6, XF40 PCGS. ...
XF40
PCGS
$824
1787 Machin's Mills Halfpenny. Vlack 19-87C, W-7940. Rarity-2. GEORGIVS III, Group III. EF-45 (PCGS).
XF45
PCGS
$1,500
1787 Machin's Mills Halfpenny. Vlack 18-87C, W-7930. Rarity-4. GEORGIVS III, Group III. EF Details--Environmental Damage (PCGS).
$408
1787 Machin's Mills Halfpenny. Vlack 17-87B, W-7910. Rarity-2. GEORGIVS III, Group II. AU-50 (PCGS).
AU50
PCGS
$2,040
1787 Machin's Mills Halfpenny. Vlack 21-87D, W-7970. Rarity-4. GEORGIVS III, Group III. EF-40 (PCGS).
XF40
PCGS
$780
1787 Machin's Mills Halfpenny. Vlack 18-87C, W-7930. Rarity-4. GEORGIVS III, Group III. EF-45 (PCGS).
XF45
PCGS
$1,320
1787 Machin's Mills Halfpenny. Vlack 19-87C, W-7940. Rarity-2. GEORGIVS III, Group III. AU-58 (PCGS).
AU58
PCGS
$1,680
'1787' 1/2 P 'Georgivs', Machin's Mills Halfpenny, Vlack 18-87C, AU53 NGC. Ex: Eric P. Newman Collection....
AU53
NGC
$1,740
1787 Machin's Mills Halfpenny, Vlack 17-87B, W-7910, R.2, MS63 Brown NGC. ...
MS63
NGC
$21,600
1787 Machin's Mills Halfpenny, Vlack 21.1-87D.a, W-7970, R.4, AU55 NGC. ...
AU55
NGC
$3,360
1787 1/2 P Georgivs III, Machin's Mills Halfpenny, Vlack 20-87C, W-7950, R.7, MS62 Brown NGC. ...
MS62
NGC
$15,600
Greysheet News
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Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session
Location: Heritage Auctions
Tuesday, September 1, 2026