Other countries–Stamps of Slovenian interest

Austria

,,Complete prephilatelic letter sent from S. Pietro (Pivka), via post office Zagorje (na Krasu), cancelled "SAGORJA" to Triest. Cancellation is not recorded in Müller, only another cover is recorded. See articles about this cancellation in Nova Filatelija (3 and 4/2004, 1/2005). Extremely rare !