Roman Empire, 2nd century AD. From and old German collection, acquired btw 1905 and 1925.

From an old German private collection, acquired December 1966 at Hermann Zirkel, Cologne, Germany.

The cylindrical vessel has a nice iridescent patina. It was made in the Roman Imperial period.

The small glass from Roman Imperial times is a jar or beaker. From the professor Ritschel collection.

From an old German private collection, acquired December 1966 at Hermann Zirkel, Cologne, Germany.

From an old German private collection, acquired in the 1960s at a Cologne ancient art gallery.

From an old German private collection, acquired December 1965 at Hermann Zirkel, Cologne, Germany.

Roman Empire, 1st - 3rd century AD, excellently preserved. From and old German collection, acquired in the 1960s - 1970s.

Roman Empire, 3rd century AD, excellently preserved. From and old German collection, acquired in the 1960s - 1970s.

Roman Empire, 1st - 3rd century AD, excellently preserved. From and old German collection, acquired in the 1960s - 1970s.

Roman Empire, 2nd century AD, excellently preserved. From and old German collection, acquired in the 1960s - 1970s.

Glass vessel dating to the 1st century AD. Beautiful iridescent patina. From the professor Ritschel collection.

Nicely preserved, large amphora with attractive marine patina. Acquired in the 1980s from Helmut Liebert Antiquities in Krefeld, Germany.

Interesting cylindrical vessel with rich decoration. From antiquity or early Middle Ages.

Rare type of a head vessel with faces of a young man or boy. Gorgeous blue pigmented glass.

Flask with voluminous body from the Late Roman period. A piece from the professor Ritschel collection.

Very nice and richly decorated vessel from the Eastern Mediterranean. Ex professor Ritschel collection.

Nice pale green glass dating to Roman Imperial times. From the professor Ritschel collection.

Glass from Sidon with a decorative relief of amphorae and other vessels. A phoenician production from the 1st century AD.

Well preserved small glass dating to late Roman Imperial times. From the professor Ritschel collection.

Fantastic and rare type of vessel from the Roman provinces of the Levant. Ex professor Ritschel collection.

Spherical small glass from Roman Imperial times. From the professor Ritschel collection.

The cosmetic bottle from the Eastern Mediterranean dates to the 1st or 2nd century. A nice piece of ancient glass from the professor Ritschel collection.

Elegant glass dating to Roman Imperial times. Nice pale green glass. From the professor Ritschel collection.

Nice bowl made of pale blue green glass. It dates to the late Roman Imperial period. Bought in 1972 at Aloys Faust gallery.

Body decorated with grooves and dense scale pattern. From the Austrian collection of Prof. Ritschel, carrier of the Large Cross of Honor of the Austrian Republic and many other prizes and honors.

Museum-worth preservation. Found in the Luxemburgerstrasse in Cologne, Germany. Acquired in 1967 at Hermann Zirkel Gallery in Cologne.

Interesting bowl with decorative handles. Worth the exhibition in a museum. From the Austrian collection of Prof. Ritschel, carrier of the Large Cross of Honor of the Austrian Republic and many other prizes and honors.

Acquired in 1967 at Hermann Zirkel Gallery, Cologne, Germany. Very well preserved. Reported to have been found in Cologne.

Acquired in 1965 at Hermann Zirkel Gallery, Cologne, Germany. Very well preserved. Reported to have been found in Cologne.

Acquired in 1965 at Hermann Zirkel Gallery, Cologne, Germany. Very well preserved. Reported to have been found in Cologne.

Acquired in 1965 at Hermann Zirkel Gallery, Cologne, Germany. Very well preserved. Reported to have been found in Cologne.

Acquired in the 1960s at Hermann Zirkel Gallery, Cologne, Germany. Very well preserved.

Perfume bottle with pattern-blown body. An aperture made it easy to dispense the precious content drop by drop. Made in the Roman province Syria in the 3rd cent. AD.

Made in 2nd - 1ct century B.C., Roman Republic. Handles decorated with tendrils and Silen heads. From the Austrian collection of Prof. Ritschel, carrier of the Large Cross of Honor of the Austrian Republic and many other prizes and honors.

A very similar piece found in Trier which possibly originates from the same workshop is published in Gose, Gefäßtypen der Römischen Keramik im Rheinland. Acquired 1971 from Axel G. Weber Gallery, Cologne, Germany. Said to have been found in Cologne.