About Monte Carlo rally. P911S said the correct years about these pictures. This is the history of Bulgarian crews on Monte as I know it:
1968:
#?? - Ilia Chubrikov - Kolio Chubrikov - Alpine-Renault (I remember Chubrikov saying that it was French car that they used in 1968) - retired
1969:
#219 - Atanas Agura - Atanas Taskov - Bulgaralpine - retired
picture here:
http://history.rally-club.bg/storage/v/drugi/kydesatesega/scan005.jpg.html#221 - Ilia Chubrikov - Kolio Chubrikov - Bulgaralpine - retired, but classified 37th, as it can be seen in the rallybase:
http://www.rallybase.nl/index.php?type=result&rallyid=624pictures of both cars attached
1971:
#65 - Ilia Chubrikov - Kolio Chubrikov - Bulgaralpine - retired, but classified 27th, as it can be seen again in the rallybase:
http://www.rallybase.nl/index.php?type=result&rallyid=609