Info| Date | 1973, 03 IV |
|---|---|
| Value | 8 St. |
| Catalog no. | Mi BL39 Sc -- SG MS2228 Y&T BF40A |
| Topic | LOT |
| Occasion | Tourism by plane |
| Description | Image of a sheetlet, edited in 1971. The 4 stamps show important events in the Bulgarian history. On the frame are the logos of airline companies. Near the stamp of 8 St. is the LOT-logo visible. |
