Signature: at lower left signed and dated J: El: Ridinger inv. et del. 1746 aug. Vendl. in pen and brown ink.
Inscription: Framing line in black chalk, by the artist. Elaborately inscribed within and underneath the framing line, in pen and brown ink, by the artist
Marking: Watermark: crowned arms (fragment).
Vendor: Katrin Bellinger Kunsthandel, Munich