R.Lierke, ‘Maigelein’,  Craquelé Glass , 1985

On the Manufacture of Cage Cups in “Whitehouse 2015”         R.Lierke-academia.edu  (with 5 ill. examples of manuf. marks)

A collection of cage cup manufacturing marks

see also:

On the Manufacture of Diatreta and Cage Cups - from the Pharos Beaker to the Lycurgus Cup,                            in Ch. Entwistle/Liz James, New Light on Old Glass, British Museum Research Publication no. 179, London 2015, 89-102.                  see also at R.Lierke-academia.edu

Zur Herstellung der antiken Kameogläser
Restaurierung und Archäologie 4, 2001, 75-105;                                         English summary:The manufacture of ancient cameo glasses                             also at R.Lierke-academia.edu                                                                                                

1.The cameo glasses were not blown
2. they were no overlay glass
3. they were not cut

 see also Sir Popper and the Portland Vase

http://www.pressglas-korrespondenz.de/aktuelles/pdf/pk-2011-4w-lierke-cameo-glass-2011-engl.pdf

Hot forming of Cameo glass

  An introduction to early glassworking techniques and their logical chronological development (German and English) 

Die nicht-geblasenen antiken Glasgefäße -
ihre Herstellung von den Anfängen bis zu den Luxusgläsern der Römer

The non-blown ancient glass vessels - 
their manufacturing from the beginning to the luxury glasses of the Romans

The book may be ordered from the Deutsche Glastechnische Gesellschaft e. V.:
Siemensstraße 45, 63071 Offenbach/Main;
E-Mail: dgg@hvg-dgg.de, Telefon:+49(0)69-97 58 61-0; Fax:+49(0)69-97 58 61-99
Euro 29,50, for students Euro 25,00

An illustrated extract (mainly German): pk-2009-4w-sg-lierke-glasgeschichte-2009.pdf

‘

The Hedwig beakers -
the Norman-Sicilian heirlooms of the Staufen emperors (in German)

The book contains a contribution by Rudolf Distelberger. The preface wrote Robert Koch.
112 pp., 42 figs., 2 plates, ISBN 3-938646-04-7, F. Rutzen Verlag, Mainz/Ruhpolding,
Fax 08663/ 883389, Euro 28,-
For an English Summary and some additional information see Hedwig beakers.
 

In a contribution at the AIHV congress in Antwerp some additional arguments
in favor of the Sicilian provenience of the beakers were published, see L2009a