Lot 51141 – 1909-30 Four covers sent to Switzerland, with postage due, includes a 5c postal stationery envelope, uprated 10c

1909-30 Four covers sent to Switzerland, underpaid postage, includes a 5c postal stationery envelope uprated with 10c, charged 30c on arrival in Switzerland, tied by Wohlen cds, a UPU stationery 2c green postcard, sent to Basel, tax mark, with 10c Helvetia postage due, a commercial envelope, sent from San Jose, franked with two 5c, tied by red cds, blue tax mark, with 30c postage due tied to front, and also a similar envelope with a 10c franking with additional postage paid on arrival; a fine selection.