As I see it's a tanker day today ....
All 30 of them built in 1979 by FABRYKA WAGONOW ''SWIDNICA'' W SWIDNICY and
NOT by ZIELONA GORA ZASTAL as some lists say.
Divided to two series...

P7 31 73 786 5 001-005, Zacs-v

P7 31 73 787 5 201-225, Zaces-v
Some photos for christo
first series:
31 73 786 5 002-0 - Lachanokipi
31 73 786 5 003-8 - Gefira
31 73 786 5 005-3 - Pythio
2nd series:
31 73 787 5 201-6 - Lachanokipi
31 73 787 5 203-2 - Nea Magnisia
31 73 787 5 209-9 - Gefira
31 73 787 5 220-6 - ΝΕΟΓΚΑΖ line