Inscription
lower right in graphite: Mzyk Josef 1979; lower left : 17/49; verso lower right in graphite: Zupan / Interior I / -6.600,- / A06008
lower right in graphite: Mzyk Josef 1979; lower left : 17/49; verso lower right in graphite: Zupan / Interior I / -6.600,- / A06008