Bulgaria 1991 Fungi sheetlet containing complete set of 6 unmounted mint, SG 3746-51, Mi 3886-91
Bulgaria 1991 Fungi sheetlet containing complete set of 6 unmounted mint, SG 3746-51, Mi 3886-91
Bulgaria 1991 Fungi sheetlet containing complete set of 6 unmounted mint, SG 3746-51, Mi 3886-91