1918/20: Mucha issues on covers (3) and Parcel Card, an interesting group with 1919 cover sent Express with 20 h. turquoise showing 'Double Print' variety, 1919 cover showing 1 h. pair, 3 h. and 10 h. - this latter with impression of the 10 h. rose on top of a 30 h. olive-brown (Printer's waste), further cover with three 20 h. turquoise used to Switzerland and taxed with 30 c. Postage Due together with a Parcel Card to Sweden bearing two 1919 1000 h. purple. (Image 1) (Image)