Bidspirit auction | Postal stationery. Portugal. Denmark. 20

Postal stationery. Portugal. Denmark. 20 reis postal stationery with reply paid, D. Luis OM#12, sent from Porto on 27.7.1894 to Copenhagen, where it arrived on 1.8, marked with the date K/OMB. 1/1 8.94. The answer sheet was not used.