| 3052E | Coral Pink Rose (2000) | 33¢ |
| 3190 | Celebrate the Century 1980-89 | Space Shuttle program, Musical smash: Cats, San Francisco 49ers, Hostages come home, Figure skating, Cable tv, Vietnam Veterans Memorial, Compact discs, Cabbage Patch Kids, The Cosby Show, Fall of the Berlin Wall, Video games, E.T. the Extra-Terrestrial, Personal computers, Hip-hop culture |
| 3191 | Celebrate the Century 1990-99 | Fifteen 33¢: cellular phones, Titanic, recovering species, World Wide Web, Gulf war, improving education, Jurassic Park, computer art & graphics, Seinfeld, Special Olympics, baseball records, extreme sports, virtual reality, return to space, sport utility vehicles |
| 3370 | Year of the Dragon | 33¢ |
| 3371 | Patricia Roberts Harris | 33¢ Black Heritage Series |
| 3372 | Los Angeles class Submarine | 33¢ |
| 3373-3377 | U.S. Navy Submarines | Bklt souvenir pages: 22¢ S class, 33¢ Los Angeles class, 55¢ Ohio class, 60¢ USS Holland, $3.20 Gato class |
| 3378 | Pacific Coast Rain Forest | Ten 33¢ |
| 3379-3383 | Louise Nevelson | Five 33¢: Silent Music I, Royal Tide I, Black Chord, Nightsphere-Light, Dawn's Wedding Chapel I |
| 3384-3388 | Edwin Powell Hubble | Five 33¢: Eagle Nebula, Ring Nebula, Lagoon Nebula, Egg Nebula, Galaxy NGC 1316 |
| 3389 | American Samoa | 33¢ |
| 3390 | Library of Congress | 33¢ |
| 3391 | Wile E. Coyote & Road Runner | 33¢ 2 panes (10 stamps) |
| 3391a | Wile E. Coyote & Road Runner | 33¢ single |
| 3391c | Wile E. Coyote & Road Runner | 33¢ pane of 1 stamp |
| 3393-3396 | Distinguished Soldiers | Four 33¢: John L. Hines, Omar N. Bradley, Alvin C. York, Audie L. Murphy |
| 3397 | Summer Sports (running legs) | |
| 3398 | Adoption | |
| 3399-3402 | Youth Team Sports | Four 33¢: Basketball, Football, Soccer, Baseball |
| 3403 | Stars and Stripes | Twenty 33¢: |
| 3404-3407 | Fruit Berries (2000) | Four 33¢ coil: Blueberry, Strawberry, Blackberry, Raspberry |
| 3408 | Legends of Baseball | Twenty 33¢: Roberto Clemente, Ty Cobb, Mickey Cochrane, Eddie Collins, Dizzy Dean, Jimmie Foxx, Lou Gehrig, Josh Gibson, Lefty Grove, Rogers Hornsby, Walter Johnson, Christy Mathewson, Satchel Paige, Jackie Robinson, Babe Ruth, George Sisler, Tris Speaker, Pie Traynor, Honus Wagner, and Cy Young |
| World Stamp Expo 2000 | Souvenir sheets | |
| 3409 | Probing the Vastness of Space | Six 60¢ - Hubble Space Telescope, National Radio Astronomy Observatory, Keck Observatory, Cerro Tololo Inter-American Observatory, Mt. Wilson Observatory, Arecibo Observatory |
| 3410 | Exploring the Solar System | Five pentagonal $1 - solar eclipse, cutaway sun, sun from space, solar flares, sun with clouds |
| 3411 | Escaping the Gravity of Earth | Two $3.20 holograms depicting International Space Station |
| 3412 | Space Achievement & Exploration | One $11.75 round hologram of Earth |
| 3413 | Landing on the Moon | One $11.75 Lunar landing module as hologram |
| 3414-3417 | Stampin' the Future | Four 33¢: Space Action: Zachary Canter, Heart-Shaped Earth: Sarah Lipsey,"Mommy are we there" Morgan Hill, Space Dog: Ashley Young |
| 3420 | Joseph W. Stillwell | 10¢ Distinguished American Series |
| 3426 | Claude Pepper | 33¢ Distinguished American Series |
| 3438 | California Statehood | 33¢ |
| 3439-3443 | Deep Sea Creatures | Five 33¢: Fanfin anglerfish, Sea cucumber, Fangtooth, Amphipod, Medusa |
| 3443 | Thomas Wolfe | 33¢ |
| 3445 | White House | 33¢ |
| 3446 | Edward G. Robinson | 33¢ Legends of Hollywood series |
| 3447 | Lion Statue | presorted (10¢) NY Public Lion |
| 3448 | Flag Over Farm | first class (34¢) |
| 3449 | Flag Over Farm | first class (34¢), s/a |
| 3450 | Flag Over Farm | first class (34¢) s/a bklt |
| 3451 | Statue of Liberty | first class (34¢) s/a bklt |
| 3452 | Statue of Liberty | first class (34¢) coil |
| 3453 | Statue of Liberty | first class (34¢) s/a coil |
| 3454-3457 | Lilies | Four: first class (34¢) bklt: Freesia, Cymbidium orchid, Longiflorum lily, Asian hybrid lily |
| 3462-3465 | Lilies | Four: first class (34¢) coil: Freesia, Cymbidium orchid, Longiflorum lily, Asian hybrid lily |
| C135 | Grand Canyon | 60¢ |