Item No. lam520. Drinking glass, Prisma. Design, Kaj Franck, Nuutajarvi. Height 9 cm, diameter 8.3 cm.
Prisma series was designed for fully automatic machines for production. It was the production of 1967-79 and again 1987-90.
https://en.wikipedia.org/wiki/Kaj_Franck..

Product no ac17.
Schnapps glass, model 5023.
Design, Kaj Franck. Year: 1953-1968.
Height 5,7 cm, diameter 5,5 cm. 6 cl.
https://en.wikipedia.org/wiki/Kaj_Franck..