Mark McGwire
1999 SP Authentic #121
Recent Sales History by Grade
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AUTH
VIP
1
VIP
1.5
VIP
2
VIP
2.5
VIP
3
VIP
3.5
VIP
4
VIP
4.5
VIP
5
VIP
5.5
VIP
6
VIP
6.5
VIP
7
VIP
7.5
VIP
8
VIP
8.5
VIP
9
VIP
10
VIP
SGC
AUTH
VIP
1 (10)
VIP
1.5 (20)
VIP
2 (30)
VIP
2.5 (35)
VIP
3 (40)
VIP
3.5 (45)
VIP
4 (50)
VIP
4.5 (55)
VIP
5 (60)
VIP
5.5 (70)
VIP
6 (80)
VIP
6.5 (82)
VIP
7 (84)
VIP
7.5 (86)
VIP
8 (88)
VIP
8.5 (92)
VIP
9 (96)
VIP
9.5 (97)
VIP
10 (98)
VIP
10 (100)
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BVG/BGS
AUTH
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1
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1.5
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2
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2.5
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3
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3.5
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4.5
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5
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5.5
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6
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6.5
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7
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7.5
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8
VIP
8.5
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9
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9.5
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10
VIP
10 BLACK
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CSG/CGC
AUTH
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1
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1.5
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2
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2.5
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3
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3.5
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4
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4.5
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5
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5.5
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6
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6.5
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7
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7.5
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8
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8.5
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9
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9.5
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10
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PERFECT 10
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PSA-Q
GAI
