Chemical Engineering Seminar issue of Dominican Republic

  • Colnect-3121-963-CODIA-Chemical-Engineering-Seminar.jpg
  • Colnect-1796-417-Seminar-emblem.jpg
Short desc: Chemical Engineering Seminar

Issuer: Dominican Republic
Date: 2/18/1981
Occasion: unset


Consists of 2 stamps: (See stamps as list)

10c
33c

All are airmail wmk=crosses & circles perf=13.25x13.75