Postal Stationery
cover CARDS: 1968 6p. and 6p.+6p., and 1972 10p.+10p.; each overprinted "SPECIMEN", fine and scarce.
細節
cover CARDS: 1968 6p. and 6p.+6p., and 1972 10p.+10p.; each overprinted "SPECIMEN", fine and scarce.