| date | description | cat. No. | mint | used
|
| 26.05.2020. | 14th Definitive Issue. Van Kingdom. | 1141-1147 | 8 | 8
|
| 26.05.2020. | 14th Definitive Issue. Van Kingdom. | Klb.1141-Klb.1147 | 160 | 160
|
| 16.06.2020. | Flora and Fauna of the Ancient World. | 1148-1149 | 4 | 4
|
| 16.06.2020. | Flora and Fauna of the Ancient World. | Klb.1148-Klb.1149 | 43 | 43
|
| 26.06.2020. | 75th Anniversary of the Victory in the Great Patriotic War. | 1150 | 2 | 2
|
| 26.06.2020. | 75th Anniversary of the Victory in the Great Patriotic War. | Klb.1150 | 24 | 24
|
| 03.07.2020. | Europa. Ancient Postal Routes. | 1151 | 3 | 3
|
| 03.07.2020. | Europa. Ancient Postal Routes. | Klb.1151 | 30 | 30
|
| 10.07.2020. | Napoleon Bonaparte. | Block101 (1152) | 5 | 5
|
| 20.07.2020. | Birth Centenary of Jean Jansem (Hovhannes Semerdjian). | 1153-1154 | 5,2 | 5,2
|
| 20.07.2020. | Birth Centenary of Jean Jansem (Hovhannes Semerdjian). | Klb.1153-Klb.1154 | 52 | 52
|
| 01.09.2020. | Birth Centenary of of Henri Verneuil (Ashot Malakian). | Block102 (1155) | 9 | 9
|
| 09.09.2020. | Sergo Hambardzumyan. | 1156 | 1 | 1
|
| 09.09.2020. | Sergo Hambardzumyan. | Klb.1156 | 10 | 10
|
| 11.09.2020. | Birth Centenary of Alexander Arutiunian. | 1157 | 1,9 | 1,9
|
| 11.09.2020. | Birth Centenary of Alexander Arutiunian. | Klb.1157 | 19 | 19
|
| 17.09.2020. | Church of Saint Gregory the Illuminator in Singapore. | 1158 | 1 | 1
|
| 17.09.2020. | Church of Saint Gregory the Illuminator in Singapore. | Klb.1158 | 10 | 10
|
| 11.11.2020. | 150th Birth Anniversary of Yeghishe Tadevossian. | 1159-1160 | 4 | 4
|
| 11.11.2020. | 150th Birth Anniversary of Yeghishe Tadevossian. | Klb.1159-Klb.1160 | 47 | 47
|
| 13.11.2020. | The Year of Bull. | 1161 | 2 | 2
|
| 13.11.2020. | The Year of Bull. | Klb.1161 | 28 | 28
|
| 23.11.2020. | Diana Apcar. | 1162 | 1 | 1
|
| 23.11.2020. | Diana Apcar. | Klb.1162 | 10 | 10
|
| 25.11.2020. | 150th Birth Anniversary of Atabek Khnkoyan. | 1163 | 1 | 1
|
| 25.11.2020. | 150th Birth Anniversary of Atabek Khnkoyan. | Klb.1163 | 10 | 10
|
| 27.11.2020. | Birth Centenary of Lazar Sarian. | 1164 | 1 | 1
|
| 27.11.2020. | Birth Centenary of Lazar Sarian. | 1164 | 1 | 1
|
| 27.11.2020. | Birth Centenary of Lazar Sarian. | Klb.1164 | 10 | 10
|
| 30.11.2020. | Historical and Cultural Monuments of Armenia. | 1165Zf.-1167Zf. | 10 | 10
|
| 30.11.2020. | Historical and Cultural Monuments of Armenia. | Klb.1165-Klb.1167 | 100 | 100
|
| 08.12.2020. | Laureates of Aurora Prize. Mirza Dinnayi. | 1168Zf. | 4 | 4
|
| 08.12.2020. | Laureates of Aurora Prize. Mirza Dinnayi. | Klb.1168 | 24 | 24
|
| 11.12.2020. | 14th Definitive Issue. Van Kingdom. | 1169-1170 | 4 | 4
|
| 11.12.2020. | 14th Definitive Issue. Van Kingdom. | Klb.1169-Klb.1170 | 80 | 80
|
| 22.12.2020. | Insurance Foundation for Servicemen. | 1171Zf.-1177Zf. | 45 | 45
|
| 22.12.2020. | Insurance Foundation for Servicemen. | Block103 (1171-1177) | 59 | 59
|
| 22.12.2020. | Insurance Foundation for Servicemen. | Klb.1171-Klb.1177 | 450 | 450
|
| 24.12.2020. | Armenian Cartoons. | 1178 | 1 | 1
|
| 24.12.2020. | Armenian Cartoons. | Klb.1178 | 10 | 10
|
| 24.12.2020. | Means of Transport. Bicycle. | 1179 | 1,9 | 1,9
|
| 24.12.2020. | Means of Transport. Bicycle. | Klb.1179 | 19 | 19
|
| 25.12.2020. | Painter Arshile Gorky (Vostanik Adoyan). | Block104 (1180-1183) | 12 | 12
|
| 28.12.2020. | 250th Anniversary of Ludwig van Beethoven. | Block105 (1184) | 7,5 | 7,5
|
| 28.12.2020. | 250th Anniversary of Ludwig van Beethoven. | Block105 (1184) | 7,5 | 7,5
|
| 28.12.2020. | Fauna of Armenia. | 1185-1186 | 4,7 | 4,7
|
| 28.12.2020. | Fauna of Armenia. | Klb.1185-Klb.1186 | 47 | 47
|
| 29.12.2020. | RCC. Cultural Figures. 125th Anniversary of Hrachya Nersisian. | 1187 | 2,8 | 2,8
|
| 29.12.2020. | RCC. Cultural Figures. 125th Anniversary of Hrachya Nersisian. | Klb.1187 | 28 | 28
|
| 29.12.2020. | New Year and Christmas. | 1188 | 2 | 2
|
| 29.12.2020. | New Year and Christmas. | Klb.1188 | 20 | 20
|