Briefe und Rechnungen / Letters and Invoices


Generously made available by Dieter Neumann, Berlin


(comments and corrections are highly appreciated)


"Glasfabrik Porta Westfalica<br>vorm. Ferd. Heye<br>1924"

Glasfabrik Porta Westfalica
vorm. Ferd. Heye
1924
Porta Westfalica