| Catalog Number | Description | Denomination | Color | Date Issued | Perforation | Num Produced | Series | 
|---|---|---|---|---|---|---|---|
| 3306b | Daffy Duck | 33c | multi. | 4/16/1999 | Die Cut | ||
| 3306c | Daffy Duck | 33c | multi. | 4/16/1999 | Die Cut | ||
| 3307 | Daffy Duck Issue | 10x33c | multi. | 4/16/1999 | Die Cut | .5M | |
| 3307a | Daffy Duck | 33c | multi. | 4/16/1999 | Die Cut | ||
| 3307c | Daffy Duck | 33c | multi. | 4/16/1999 | Die Cut | ||
| 3308 | Ayn Rand | 33c | multi. | 4/22/1999 | 11.2 | 43M | Literary Arts | 
| 3309 | Cinco de Mayo | 33c | multi. | 4/27/1999 | Die Cut | 105M | |
| 3310 | Tropical Flowers Issue | 33c | multi. | 5/1/1999 | SDC 10.9 | ||
| 3311 | Tropical Flowers Issue | 33c | multi. | 5/1/1999 | SDC 10.9 | ||
| 3312 | Tropical Flowers Issue | 33c | multi. | 5/1/1999 | SDC 10.9 | ||
| 3313 | Tropical Flowers Issue | 33c | multi. | 5/1/1999 | SDC 10.9 | ||
| 3313a | Tropical Flowers | 33c | multi. | 5/1/1999 | Die Cut | ||
| 3313b | Tropical Flowers Issue | 33c | multi. | 5/1/1999 | SDC 10.9 | ||
| 3314 | John and William Bartram | 33c | multi. | 5/18/1999 | 11½ | 145M | |
| 3315 | Prostate Cancer Awareness | 33c | multi. | 5/28/1999 | 11 | 78M | |
| 3316 | California Gold Rush | 33c | multi. | 6/18/1999 | 11¼ | ||
| 3317 | Aquarium Fish Issue | 33c | multi. | 6/24/1999 | Die Cut | ||
| 3318 | Aquarium Fish Issue | 33c | multi. | 6/24/1999 | Die Cut | ||
| 3319 | Aquarium Fish Issue | 33c | multi. | 6/24/1999 | Die Cut | ||
| 3320 | Aquarium Fish Issue | 33c | multi. | 6/24/1999 | Die Cut |