Inscription
lower left in graphite: 23/60; lower right in graphite: Shapiro 90; lower right verso in graphite 768-19-1
Marks and Labels
lower right: ALDO CROMMELYNCK
lower left in graphite: 23/60; lower right in graphite: Shapiro 90; lower right verso in graphite 768-19-1
lower right: ALDO CROMMELYNCK