Ключевые слова: 1918, additional, aged, ancient, antique, area, charge, cost, country, czechoslovakia, due, duty, emblem, envelope, europe, expense, extra, fee, historic, imposition, impost, land, leaf, letter, lettering, linden, mail, message, number, old, ornament, philately, postage, postcard, postmark, price, rate, region, retro, seal, stamp, state, symbol, tariff, tax, toll, value, vintage,