Hamburg 1810 Passport, certifying Hamburg air is unpolluted, i.e. free of plague

Hamburg 1810 Passport, certifying that Hamburg air is unpolluted (i.e. uninfected by plague etc), issued to apothecary Bucholtz for a journey to Eckenförde (near Rendsburg), and requesting safe passage. Signed and sealed for the Mayor and Senate of the ‘Free Hansa-City Hamburg’ also on behalf (in Latin) of the Hamburg Republic. The document is on official watermarked paper, introduced with a versl W, and the embossed seal bears the city coat of arms.

At the time, Hamburg was under control of Napoleon’s forces, and on the reverse is a further cachet and confirmation in French that it has been seen by the secretary of the Commandant, at the ‘Bureau de la Place’