| Set Name | Card # | Description |
SRP
|
Price
|
% Off SRP
| Qty |
| 2007 Donruss Classics - [Base] |
137
|
Legend - Mark Duper /999
|
Get SRP
|
$1.38
|
Get SRP
| 4 |
| 1985 Topps - [Base] |
310
|
Mark Duper
|
Get SRP
|
$1.12
|
Get SRP
| 17 |
| 1988 Topps - [Base] |
193
|
Mark Duper [BAS Seal of Authenticity]
|
N/A
|
$33.57
|
Get SRP
| 1 |
| 2000 Upper Deck Legends - [Base] |
35
|
Mark Duper [BAS Seal of Authenticity]
|
N/A
|
$37.60
|
Get SRP
| 1 |
| 2023 Panini Absolute - Super Bowl Signatures |
SBXIX-MD
|
Mark Duper
|
N/A
|
$19.11
|
Get SRP
| 1 |
| 1984 Topps - [Base] |
120
|
Mark Duper
|
Get SRP
|
$1.52
|
Get SRP
| 27 |
| 1990 Topps - [Base] |
330
|
Mark Duper
|
N/A
|
$1.11
|
Get SRP
| 9 |
| 1985 Topps - [Base] |
300
|
Mark Duper
|
N/A
|
$0.99
|
Get SRP
| 13 |
| 1991 Pro Set Platinum - [Base] |
219
|
Mark Duper
|
Get SRP
|
$1.63
|
Get SRP
| 3 |
| 1988 Topps - [Base] |
193
|
Mark Duper [BCCG 9 Near Mint or Better]
|
N/A
|
$23.25
|
Get SRP
| 1 |
| 1987 Topps - 1000 Yard Club |
9
|
Mark Duper [EX to NM]
|
N/A
|
$0.74
|
Get SRP
| 2 |
| 1988 Topps Super Star Sticker Back Cards - [Base] |
40.124
|
Neil Lomax (Wade Wilson 124, Mark Duper 225)
|
N/A
|
$1.16
|
Get SRP
| 4 |
| 1986 Topps - [Base] |
48.2
|
Mark Duper (D* on Copyright Line)
|
N/A
|
$1.40
|
Get SRP
| 3 |
| 1986 Topps - [Base] |
48.1
|
Mark Duper (C* on Copyright Line)
|
Get SRP
|
$0.74
|
Get SRP
| 19 |
| 1991 Upper Deck - [Base] |
335
|
Mark Duper
|
N/A
|
$1.19
|
Get SRP
| 11 |
| 1989 Score - [Base] |
217
|
Mark Duper
|
Get SRP
|
$1.21
|
Get SRP
| 21 |
| 2018 Panini Flawless - Triple Patches - Ruby |
TP-MD
|
Mark Clayton, Dan Marino, Mark Duper /7
|
N/A
|
$286.10
|
Get SRP
| 1 |
| 2020 Panini Flawless - Greats - Silver |
GR-MAD
|
Mark Duper /20
|
N/A
|
$52.87
|
Get SRP
| 1 |
| 1989 Score - [Base] |
217
|
Mark Duper [BGS 9.5 GEM MINT]
|
N/A
|
$11.74
|
Get SRP
| 4 |
| 1987 Topps - 1000 Yard Club |
9
|
Mark Duper
|
Get SRP
|
$0.83
|
Get SRP
| 22 |
| 2007 Donruss Elite - Back to the Future - Blue |
BTF-23
|
Chris Chambers, Mark Duper /400
|
Get SRP
|
$1.92
|
Get SRP
| 1 |
| 2021 Panini Classics - Classic Combos - Gold |
CC-DMA
|
Dan Marino, Mark Duper /75
|
N/A
|
$22.38
|
Get SRP
| 1 |
| 1997 Upper Deck NFL Legends - Autographs |
AL-55
|
Mark Duper
|
Get SRP
|
$23.52
|
Get SRP
| 2 |
| 1991 Fleer - [Base] |
119
|
Mark Duper
|
N/A
|
$1.11
|
Get SRP
| 8 |
| 1988 Topps Super Star Sticker Back Cards - [Base] |
3.124
|
John Elway (Wade Wilson 124, Mark Duper 225)
|
N/A
|
$2.55
|
Get SRP
| 3 |
| 2008 Leaf Certified Materials - Fabric of the Game - Jersey Number |
FOG-51
|
Mark Duper /85
|
Get SRP
|
$10.89
|
Get SRP
| 2 |
| 1989 Panini Album Stickers - [Base] |
338
|
Mark Duper
|
N/A
|
$2.27
|
Get SRP
| 2 |
| 1992 Fleer - [Base] |
226
|
Mark Duper
|
N/A
|
$0.94
|
Get SRP
| 5 |
| 2000 Upper Deck Legends - [Base] |
35
|
Mark Duper
|
N/A
|
$1.11
|
Get SRP
| 6 |
| 2008 Leaf Certified Materials - Fabric of the Game - Prime |
FOG-51
|
Mark Duper /25
|
N/A
|
$46.54
|
Get SRP
| 1 |
| 2011 Panini Absolute Memorabilia - NFL Icons - Materials Signatures |
6
|
Mark Duper /25
|
N/A
|
$11.75
|
Get SRP
| 1 |
| 2008 Leaf Limited - [Base] |
161
|
Legend - Mark Duper /499
|
Get SRP
|
$1.15
|
Get SRP
| 13 |
| 2010 Panini Limited - [Base] |
140
|
Legend - Mark Duper /499
|
Get SRP
|
$1.28
|
Get SRP
| 13 |
| 1993 Classic Pro Line Live - [Base] |
148
|
Mark Duper [EX to NM]
|
N/A
|
$1.69
|
Get SRP
| 1 |
| 1984 Topps - [Base] |
116
|
Mark Duper
|
Get SRP
|
$1.35
|
Get SRP
| 14 |
| 1988 Topps - [Base] |
193
|
Mark Duper
|
Get SRP
|
$0.77
|
Get SRP
| 17 |
| 1993 Topps - [Base] |
56
|
Mark Duper [EX to NM]
|
N/A
|
$2.27
|
Get SRP
| 1 |
| 1992 Wild Card - Stat Smashers |
SS-21
|
Mark Duper
|
N/A
|
$2.66
|
Get SRP
| 4 |
| 2012 Panini Certified - [Base] |
193
|
Immortals - Mark Duper /999 [EX to NM]
|
N/A
|
$4.57
|
Get SRP
| 1 |
| 2022 Panini Absolute - Iconic Ink - Red |
II-MD
|
Mark Duper /50
|
N/A
|
$21.24
|
Get SRP
| 1 |
| 2022 Panini Absolute - Iconic Ink - Orange |
II-MD
|
Mark Duper /35
|
N/A
|
$29.00
|
Get SRP
| 1 |
| 1988 Holsum Annual Collector's Edition - [Base] |
3
|
Mark Duper [EX to NM]
|
N/A
|
$3.07
|
Get SRP
| 1 |
| 2010 Playoff National Treasures - [Base] - Century Signature Materials |
164
|
Legend - Mark Duper /10
|
N/A
|
$85.64
|
Get SRP
| 1 |
| 2023 Panini Mosaic - Autographs Mosaic - White Prizm |
AM-MD
|
Mark Duper /25
|
N/A
|
$29.28
|
Get SRP
| 1 |
| 1991 Wild Card - [Base] - 10 Stripe |
16
|
Mark Duper
|
N/A
|
$5.43
|
Get SRP
| 1 |
| 1990 Score - [Base] |
401
|
Mark Duper
|
N/A
|
$0.83
|
Get SRP
| 19 |
| 1990 Fleer - [Base] |
239
|
Mark Duper
|
N/A
|
$0.82
|
Get SRP
| 20 |
| 1990 Topps - [Base] |
330
|
Mark Duper [Good to VG‑EX]
|
N/A
|
$1.92
|
Get SRP
| 1 |
| 1987 Topps United Kingdom American Football - [Base] |
52
|
Mark Duper
|
N/A
|
$1.78
|
Get SRP
| 2 |
| 2007 Donruss Elite - Back to the Future - Red |
BTF-23
|
Chris Chambers, Mark Duper /200
|
N/A
|
$2.38
|
Get SRP
| 1 |
| 1989 Score - [Base] |
283
|
Mark Duper, Mark Clayton [PSA 9 MINT]
|
N/A
|
$23.48
|
Get SRP
| 1 |
| 2019 Panini Impeccable - Indelible Ink |
II-MD
|
Mark Duper /49
|
N/A
|
$114.39
|
Get SRP
| 1 |
| 1987 Topps - [Base] |
236
|
Mark Duper
|
Get SRP
|
$1.29
|
Get SRP
| 13 |
| 1992 Upper Deck - [Base] |
84
|
Mark Duper
|
N/A
|
$0.94
|
Get SRP
| 13 |
| 2021 Panini Mosaic - Scripts |
S-MD
|
Mark Duper
|
Get SRP
|
$18.64
|
Get SRP
| 2 |
| 2004 Upper Deck NFL Legends - Legendary Signatures |
LS-MA
|
Mark Duper
|
Get SRP
|
$15.20
|
Get SRP
| 5 |
| 1992 playoff - [Base] |
133
|
Mark Duper
|
N/A
|
$2.61
|
Get SRP
| 3 |
| 1989 Score - [Base] |
283
|
Mark Duper, Mark Clayton
|
N/A
|
$1.35
|
Get SRP
| 50 |
| 1989 Pro Set - [Base] |
464
|
Mark Duper
|
N/A
|
$0.76
|
Get SRP
| 18 |
| 1990 Topps - [Base] - With Disclaimer |
330
|
Mark Duper
|
N/A
|
$0.93
|
Get SRP
| 8 |
| 1986 Miami Dolphins Police - [Base] |
7
|
Mark Duper
|
N/A
|
$8.82
|
Get SRP
| 1 |
| 1990 Topps - [Base] - Collector's Edition (Tiffany) |
330
|
Mark Duper
|
N/A
|
$1.12
|
Get SRP
| 4 |
| 1988 Kenner Starting Lineup Cards - Toys [Base] |
_MADU
|
Mark Duper
|
N/A
|
$6.06
|
Get SRP
| 2 |
| 2022 Panini Donruss - Retro 2002 |
8
|
Mark Duper
|
N/A
|
$2.24
|
Get SRP
| 3 |
| 1991 Score - [Base] |
430
|
Mark Duper
|
N/A
|
$0.74
|
Get SRP
| 7 |
| 2012 Panini Certified - Fabric of the Game Jerseys |
42
|
Mark Duper /199
|
N/A
|
$7.02
|
Get SRP
| 4 |
| 1986 Miami Dolphins Police - [Base] |
7
|
Mark Duper [BGS Authentic]
|
N/A
|
$33.60
|
Get SRP
| 1 |
| 2010 Playoff National Treasures - [Base] - Century Silver |
164
|
Legend - Mark Duper /25
|
N/A
|
$4.68
|
Get SRP
| 1 |
| 2008 Leaf Limited - [Base] - Spotlight Bronze |
161
|
Legend - Mark Duper /125
|
Get SRP
|
$3.39
|
Get SRP
| 2 |
| 1991 Pacific - [Base] |
267
|
Mark Duper
|
Get SRP
|
$0.91
|
Get SRP
| 7 |
| 2013 Topps Archives - Fan Favorites Autographs |
FFA-MD
|
Mark Duper
|
N/A
|
$30.67
|
Get SRP
| 3 |
| 1993 Skybox Impact - [Base] |
182
|
Mark Duper [EX to NM]
|
N/A
|
$3.42
|
Get SRP
| 1 |
| 1991 Pro Set Spanish - [Base] |
129
|
Mark Duper
|
N/A
|
$2.15
|
Get SRP
| 4 |
| 1990 Pro Set - [Base] |
559
|
Mark Duper
|
N/A
|
$0.77
|
Get SRP
| 15 |
| 1986 Topps - [Base] |
48.1
|
Mark Duper (C* on Copyright Line) [EX to NM]
|
N/A
|
$1.69
|
Get SRP
| 1 |
| 1986 Topps - [Base] |
48.1
|
Mark Duper (C* on Copyright Line) [Good to VG‑EX]
|
N/A
|
$1.69
|
Get SRP
| 2 |
| 1986 Topps - [Base] |
48.1
|
Mark Duper (C* on Copyright Line) [Poor to Fair]
|
N/A
|
$3.42
|
Get SRP
| 1 |
| 2007 Leaf Limited - Team Trademarks - Holofoil |
TT-6
|
Mark Duper /25
|
N/A
|
$23.54
|
Get SRP
| 1 |
| 2008 Donruss Gridiron Gear - Performers |
P-32
|
Mark Duper /500 [Good to VG‑EX]
|
N/A
|
$2.15
|
Get SRP
| 1 |
| 1991 Bowman - [Base] |
299
|
Mark Duper [EX to NM]
|
N/A
|
$0.99
|
Get SRP
| 1 |
| 2012 Panini National Treasures - [Base] - Century Gold |
168
|
Legends - Mark Duper /10
|
Get SRP
|
$52.29
|
Get SRP
| 1 |
| 1986 Topps - [Base] |
48.2
|
Mark Duper (D* on Copyright Line) [EX to NM]
|
N/A
|
$3.99
|
Get SRP
| 1 |
| 2020 Panini Certified - Mirror Signatures - Mirror Red |
MS-MD
|
Mark Duper /35
|
N/A
|
$16.71
|
Get SRP
| 1 |
| 2021 Panini Classics - Classic Combos - Green |
CC-DMA
|
Dan Marino, Mark Duper /15
|
N/A
|
$120.00
|
Get SRP
| 1 |
| 1986 APBA Football 1985 Season - [Base] |
_MADU
|
Mark Duper
|
N/A
|
$3.42
|
Get SRP
| 1 |
| 1987 Topps - [Base] |
236
|
Mark Duper [EX to NM]
|
N/A
|
$2.27
|
Get SRP
| 1 |
| 1985 Topps - [Base] |
310
|
Mark Duper [EX to NM]
|
N/A
|
$57.74
|
Get SRP
| 1 |
| 2021 Panini Certified - Mirror Signatures |
MS-MP
|
Mark Duper /50
|
N/A
|
$46.54
|
Get SRP
| 1 |
| 1992 Pacific - Team Statistical Leaders |
15
|
Mark Higgs, Louis Oliver, Mark Duper, Jeff Cross
|
N/A
|
$2.55
|
Get SRP
| 4 |
| 2012 Crown Royale - Legendary Silhouette Materials Signatures |
23
|
Mark Duper /49 [EX to NM]
|
N/A
|
$26.11
|
Get SRP
| 1 |
| 1990 Action Packed - [Base] |
143
|
Mark Duper
|
N/A
|
$0.99
|
Get SRP
| 7 |
| 2007 Leaf Limited - [Base] - Threads Jersey Number Prime |
166
|
Mark Duper /85
|
N/A
|
$14.34
|
Get SRP
| 1 |
| 1991 Wild Card - [Base] |
16
|
Mark Duper
|
N/A
|
$0.83
|
Get SRP
| 4 |
| 1986 Topps - [Base] |
48.1
|
Mark Duper (C* on Copyright Line) [BAS Authentic]
|
N/A
|
$46.15
|
Get SRP
| 1 |
| 1991 Topps - [Base] |
120
|
Mark Duper
|
Get SRP
|
$0.88
|
Get SRP
| 6 |
| 1988 Topps Super Star Sticker Back Cards - [Base] |
29.124
|
Dan Marino (Wade Wilson 124, Mark Duper 225)
|
N/A
|
$6.29
|
Get SRP
| 2 |
| 1991 Topps Stadium Club - [Base] |
359
|
Mark Duper
|
N/A
|
$0.83
|
Get SRP
| 4 |
| 1989 Score - [Base] |
283
|
Mark Duper, Mark Clayton [Good to VG‑EX]
|
N/A
|
$2.67
|
Get SRP
| 1 |
| 1985 Topps - [Base] |
310
|
Mark Duper [PSA 7 NM]
|
N/A
|
$15.20
|
Get SRP
| 1 |
| 1993 Playoff - [Base] |
214
|
Mark Duper
|
N/A
|
$0.99
|
Get SRP
| 3 |