Philately. BALTIC STATES / Estonia - 2x Reg letter with 1M resp. 5M, Mi.12, 13, CDS TALLIN, addressed to Finland and Austria + Lithuania - air-mail letter with overprint issues and advertising label + Latvia - airmail zeppelin card; in addition Reg letter ; 1x horiz. fold out of stamps, overall good condition (Image 1) (Image 2) (Image)