Portrait of Marie Sibylle Dinglinger, born Biermann
mezzotint on paper
cut of passe-partout: 375x265 mm
bottom centre: Maria Sibilla J.M. Dinglingeri, conjux, nata Biermannia,/ Quid verbis opus est; spectemur agendo. Ovid.
lower left: Ioannes Kupezky pinxt./ P. 3**
lower right: Bernard Vogel juxta Originale sculps./et excudit Noribergae 1736.

and

Portrait of Johann Melchior Diglinger
mezzotint on paper
print dimensions: 353x255 mm
bottom centre: Johann Melchior Diglinger, R. M. Polon et Elect. Saxon. Gemmarius Aulicus./ Nil divitiae potuerunt Regales addere majus. Horat./ Cum Privilegio Sac. Ceas. Majest.
lower left: Ioannes Kupezky pinx. /P.3** dopsáno perem: N.31
lower right: Bernard Vogel juxta Originale sculps./ et excudit Noribergae 1736.
Provenance: collection of Prof. Eduard A. Safarik