1990 Exhibition Cards Set (6)

1990 Stamp Exhibition cards from Norway Post. Set of 6 cards - August to November 1990. NORDIA 90 Lund, WIEN '90 Wien (shown), INTERNATIONAL BRIEFMARKENBORSE '90 Sindelfingen, HELVETIA GENEVE 90 Geneva, FORUM 90 Copenhagen and PHILATELIA 90 Berlin. All are clean and unmarked.