The Halwig Collection
| PCGS No. | Item | Denom | Grade | Pop | Pop Higher | Owner's Comments |
| 9605 | 1983-P Olympic S$1 | $1 | MS70 | 18 | 0 | |
| 9606 | 1983-D Olympic S$1 | $1 | MS70 | 6 | 0 | |
| 9607 | 1983-S Olympic S$1 | $1 | MS70 | 5 | 0 | |
| 9609 | 1984-P Olympic S$1 | $1 | MS70 | 37 | 0 | |
| 9610 | 1984-D Olympic S$1 | $1 | MS70 | 7 | 0 | |
| 9611 | 1984-S Olympic S$1 | $1 | MS70 | 6 | 0 | |
| 9620 | 1986-P Statue of Liberty S$1 | $1 | MS70 | 155 | 0 | |
| 9624 | 1987-P Constitution S$1 | $1 | MS70 | 332 | 0 | |
| 9628 | 1988-D Olympic S$1 | $1 | MS70 | 60 | 0 | |
| 9634 | 1989-D Congress S$1 | $1 | MS70 | 3 | 0 | |
| 9638 | 1990-W Eisenhower S$1 | $1 | MS70 | 134 | 0 | |
| 9644 | 1991-P Mount Rushmore S$1 | $1 | MS70 | 317 | 0 | |
| 9652 | 1991-D Korea S$1 | $1 | MS70 | 263 | 0 | |
| 9658 | 1991-D USO S$1 | $1 | MS70 | 248 | 0 | |
| 9660 | 1992-D Wht.House S$1 | $1 | MS70 | 203 | 0 | |
| 9664 | 1992-D Columbus S$1 | $1 | MS70 | 146 | 0 | |
| 9922 | 1992-D Olympic S$1 | $1 | MS70 | 113 | 0 | |
| 9670 | 1993-D Madison S$1 | $1 | MS70 | 94 | 0 | |
| 9676 | 1991-95-D World War II S$1 | $1 | MS70 | 209 | 0 | |
| 9682 | 1994-D World Cup S$1 | $1 | MS70 | 42 | 0 | |
| 9688 | 1993-P Jefferson S$1 | $1 | MS70 | 320 | 0 | |
| 9690 | 1994-W Prisoner of War S$1 | $1 | MS70 | 402 | 0 | |
| 9692 | 1994-W Vietnam S$1 | $1 | MS70 | 316 | 0 | |
| 9694 | 1994-W Women in Military S$1 | $1 | MS70 | 297 | 0 | |
| 9696 | 1994-D Capitol S$1 | $1 | MS70 | 356 | 0 | |
| 9716 | 1995-D Gymnastics S$1 | $1 | MS70 | 231 | 0 | |
| 9718 | 1995-D Paralympic S$1 | $1 | MS70 | 241 | 0 | |
| 9704 | 1995-W Special Olympic S$1 | $1 | MS70 | 95 | 0 | |
| 9700 | 1995-P Civil War S$1 | $1 | MS70 | 146 | 0 | |
| 9720 | 1995-D Track & Field S$1 | $1 | MS70 | 154 | 0 | |
| 9722 | 1995-D Cycling S$1 | $1 | MS70 | 156 | 0 | |
| 9724 | 1996-D Tennis S$1 | $1 | MS70 | 127 | 0 | |
| 9726 | 1996-D Paralympic S$1 | $1 | MS70 | 121 | 0 | |
| 9728 | 1996-D Rowing S$1 | $1 | MS70 | 123 | 0 | |
| 9730 | 1996-D High Jump S$1 | $1 | MS70 | 90 | 0 | |
| 9740 | 1996-S Community Service S$1 | $1 | MS70 | 115 | 0 | |
| 9742 | 1996-D Smithsonian S$1 | $1 | MS70 | 314 | 0 | |
| 9746 | 1997-P Botanic Garden S$1 | $1 | MS70 | 118 | 0 | |
| 9757 | 1997-S Jackie Robinson S$1 | $1 | MS70 | 57 | 0 | |
| 9761 | 1997-P Officers S$1 | $1 | MS70 | 139 | 0 | |
| 9763 | 1998-S Robert F. Kennedy S$1 | $1 | MS70 | 233 | 0 | |
| 9769 | 1998-S C. Attucks S$1 | $1 | MS70 | 198 | 0 | |
| 9771 | 1999-P Dolley Madison S$1 | $1 | MS70 | 384 | 0 | |
| 9778 | 1999-P Yellowstone S$1 | $1 | MS70 | 256 | 0 | |
| 9783 | 2000-P Library S$1 | $1 | MS70 | 297 | 0 | |
| 9785 | 2000-P Leif Ericson S$1 | $1 | MS70 | 170 | 0 | |
| 9791 | 2001-P Capitol Visitor Ctr S$1 | $1 | MS70 | 105 | 0 | |
| 9793 | 2001-D Buffalo S$1 | $1 | MS70 | 823 | 0 | |
| 9798 | 2002-P Salt Lake City Olympics S$1 | $1 | MS70 | 354 | 0 | |
| 21000 | 2002-W West Point Bicentennial S$1 | $1 | MS70 | 1012 | 0 | |
| 21002 | 2003-P First Flight S$1 | $1 | MS70 | 257 | 0 | |
| 21005 | 2004-P Lewis & Clark S$1 | $1 | MS70 | 648 | 0 | |
| 21004 | 2004-P Edison S$1 | $1 | MS70 | 671 | 0 | |
| 21006 | 2005-P Marshall S$1 | $1 | MS70 | 459 | 0 | |
| 21007 | 2005-P Marine Corps S$1 | $1 | MS70 | 738 | 0 | |
| 21008 | 2006-P Scientist S$1 | $1 | MS70 | 445 | 0 | |
| 21009 | 2006-P Founding Father S$1 | $1 | MS70 | 671 | 0 | |
| 21010 | 2006-S San Francisco Old Mint S$1 | $1 | MS70 | 587 | 0 | |
| 147439 | 2007-P Jamestown S$1 | $1 | MS70 | 1078 | 0 | |
| 149569 | 2007-P Desegregation S$1 | $1 | MS70 | 473 | 0 | |
| 394416 | 2008-P Bald Eagle S$1 | $1 | MS70 | 843 | 0 | |
| 407350 | 2009-P Abraham Lincoln S$1 | $1 | MS70 | 3230 | 0 | |
| 408825 | 2009-P Louis Braille Bicentennial S$1 | $1 | MS70 | 465 | 0 | |
| 418538 | 2010-P Boy Scouts of America S$1 | $1 | MS70 | 2644 | 0 | |
| 417753 | 2010-W Disabled Veterans S$1 | $1 | MS70 | 1472 | 0 | |
| 506163 | 2011-S United States Army S$1 | $1 | MS70 | 229 | 0 | |
| 507288 | 2011-S Medal of Honor S$1 | $1 | MS69 | 487 | 125 | |
| | 2012-W Infantry S$1 | $1 | | | | |
| | 2012-P Star-Spangled Banner S$1 | $1 | | | | |
