Subject:
Belgium, Postal history, Postal markings, Pre-adhesive Covers, Fee Paid Mail, Covers, Postal Service, Transportation of mail, Postal Laws and Regulations, Postal Rates, Postal routes, Post offices, Official mail, Free franks, Military mail, Registered mail, Forwarded mail, 1648-1849, 17th Century, 18th Century, 19th Century, 16th Century, France -- History -- Consulate and Empire, 1799-1815, Netherlands, Spanish Netherlands, Austrian Netherlands, Austria, Europe, Thurn and Taxis, House of