| PARC*56 21 | San Francisco | 2021 | Fdc | 1/4 $ PARCHI 56° Tuskegee Airmen National Site - Alabama (zecca S) | | | 1.50 | |
| PARC 56 21 | Denver e Philadelphia | 2021 | Fdc | 1/4 $ PARCHI 56° Tuskegee Airmen National Site - Alabama (zecca P e D) | | | 2.50 | |
| PARC*55 20 | San Francisco | 2020 | Fdc | 1/4 $ PARCHI 55° Tallgrass Prairie - Kansas (zecca S) | | | 1.50 | |
| PARC 55 20 | Denver e Philadelphia | 2020 | Fdc | 1/4 $ PARCHI 55° Tallgrass Prairie - Kansas (zecca P e D) | | | 2.50 | |
| PARC*54 20 | San Francisco | 2020 | Fdc | 1/4 $ PARCHI 54° Marsh-Billings-Rockefeller - Vermont (zecca S) | | | 1.50 | |
| PARC 54 20 | Denver e Philadelphia | 2020 | Fdc | 1/4 $ PARCHI 54° Marsh-Billings-Rockefeller - Vermont (zecca P e D) | | | 2.50 | |
| PARC*53 20 | San Francisco | 2020 | Fdc | 1/4 $ PARCHI 53° Salt River Bay - U.S. Virgin Islands (zecca S) | | | 1.50 | |
| PARC 53 20 | Denver e Philadelphia | 2020 | Fdc | 1/4 $ PARCHI 53° Salt River Bay - U.S. Virgin Islands (zecca P e D) | | | 2.50 | |
| PARC*52 20 | San Francisco | 2020 | Fdc | 1/4 $ PARCHI 52° Weir Farm - National Park for Art - Connecticut (zecca S) | | | 1.50 | |
| PARC 52 20 | Denver e Philadelphia | 2020 | Fdc | 1/4 $ PARCHI 52° Weir Farm - National Park for Art - Connecticut (zecca P e D) | | | 2.50 | |
| PARC*51 20 | San Francisco | 2020 | Fdc | 1/4 $ PARCHI 51° National Park - American Samoa (zecca S) | | | 1.50 | |
| PARC 51 20 | Denver e Philadelphia | 2020 | Fdc | 1/4 $ PARCHI 51° National Park - American Samoa (zecca P e D) | | | 2.50 | |
| PARC*50 19 | San Francisco | 2019 | Fdc | 1/4 $ PARCHI 50° River of No Return Wilderness - Idaho (zecca S) | | | 1.50 | |
| PARC 50 19 | Denver e Philadelphia | 2019 | Fdc | 1/4 $ PARCHI 50° River of No Return Wilderness - Idaho (zecca P e D) | | | 2.50 | |
| PARC*49 19 | San Francisco | 2019 | Fdc | 1/4 $ PARCHI 49° San Antonio Missions - Texas (zecca S) | | | 1.50 | |
| PARC 49 19 | Denver e Philadelphia | 2019 | Fdc | 1/4 $ PARCHI 49° San Antonio Missions - Texas (zecca P e D) | | | 2.50 | |
| PARC*48 19 | San Francisco | 2019 | Fdc | 1/4 $ PARCHI 48° War in the Pacific Historial Park - Guam (zecca S) | | | 1.50 | |
| PARC 48 19 | Denver e Philadelphia | 2019 | Fdc | 1/4 $ PARCHI 48° War in the Pacific Historial Park - Guam (zecca P e D) | | | 2.50 | |
| PARC*47 19 | San Francisco | 2019 | Fdc | 1/4 $ PARCHI 47° American Memorial Park - N. Mariana Islands (zecca S) | | | 1.50 | |
| PARC 47 19 | Denver e Philadelphia | 2019 | Fdc | 1/4 $ PARCHI 47° American Memorial Park - N. Mariana Islands (zecca P e D) | | | 2.50 | |
| PARC*46 19 | San Francisco | 2019 | Fdc | 1/4 $ PARCHI 46° Lowell - Massachusetts (zecca S) | | | 1.50 | |
| PARC 46 19 | Denver e Philadelphia | 2019 | Fdc | 1/4 $ PARCHI 46° Lowell - Massachusetts (zecca P e D) | | | 2.50 | |
| PARC*45 18 | San Francisco | 2018 | Fdc | 1/4 $ PARCHI 45° Block Island - Rhode Island (zecca S) | | | 1.50 | |
| PARC 45 18 | Denver e Philadelphia | 2018 | Fdc | 1/4 $ PARCHI 45° Block Island - Rhode Island (zecca P e D) | | | 2.50 | |
| PARC*44 18 | San Francisco | 2018 | Fdc | 1/4 $ PARCHI 44° Cumberland Island - Georgia (zecca S) | | | 1.50 | |