Bulgaria
| Country: | Bulgaria |
| Type: | Postal blocks |
| Series: | Natural Attractions of Bulgaria (2024) |
| Nominal: | 5*1.90 лв |
| Year: | 2024 |
| Perforation: | 13 |
| Mintage: | 1,200 |
Natural Attractions of Bulgaria (2024)
 Lion's Head Rock Outcrop, Ropotamo Nature Reserve |  Three Brothers Rock Outcrop, Aytos |