Jet & Prop by FalkeEins: Opa's Rumpler - "grandad's Rumpler.."

Jet & Prop by FalkeEins: Opa's Rumpler - "grandad's Rumpler..": Currently on offer on Ebay.de, this Rumpler C.IV - inscription on the reverse of the picture reads 'grandad's Rumpler in WW1 - ta...