1973 Finnish GS Brochure

This brochure from Finland dates from 1973. I have bought this brochure from another collector in 1998. At the time I payed about 12.5 Euro for it. I have never seen any other copy of this brochure, so I gather it is quite rare. The quality of the paper is quite good, although I cannot understand one word of the text, it is a nice brochure, in seventies style.