| Release Date |
Stamp |
Printer |
Details of Microprinting |
| January 20 |
33¢ Malcolm X |
BCA |
"USPS" |
| January 28 |
33¢ Victorian Love |
AV |
"LOVE" |
| January 28 |
55¢ Victorian Love |
BCA |
"LOVE" |
| February 9 |
33¢ Hospice Care |
BCA |
"USPS" |
| February 26 |
33¢ Irish Immigration |
AP |
"IRELAND" |
| March 2 |
33¢ Alfred Lunt & Lynn Fontanne |
AP |
"ACTORS" |
| April 27 |
33¢ Cinco De Mayo |
BCA |
"USPS" |
| May 18 |
33¢ John & William Bartram |
BCA |
"BOTANISTS" |
| June 18 |
33¢ California Gold Rush |
AP |
"GOLD RUSH" |
| August 25 |
45¢ Universal Postal Union |
AP |
"UPU" |
| October 8 |
33¢ Official Mail |
BEP |
"USA 1999" 10 times in a line |
| October 13 |
33¢ NATO |
AP |
"UNITY" |
| October 20 |
33¢ Madonna & Child |
BCA |
"USPS" |
| December 27 |
33¢ Year 2000 |
BCA |
"USPS" |
