Translation / modern text
The letter discusses political matters and an audience for envoys; a readable phrase is “Do audiencyi Posłów wielkich […]” (“For the audience of the great envoys […]”). It also mentions Gdańsk and Berlin. The dateline on p. 27 gives 17 March 1701; p. 28 is the wrapper addressed to the Palatine/Voivode of the Ruthenian lands.
Original wording — transcription
[Nagłówek, s. 26:] Monseigneur.
[s. 26:] […] na trakt […] […]
[s. 27:] Do audiencyi Posłów wielkich […]
[…] Król […] do Berlina na Gdańsk […] [dalszy tekst częściowo nieczytelny].
[Datownik, s. 27:] d. 17 Marcy 1701.
[Adres na obwolucie, s. 28:] A Son Excellence Monseigneur le Palatin General de Russie à Leopoli.
Reading notes
Pages 26–27 contain one letter; p. 28 is its folded wrapper/address. The exact date is read from the dateline on p. 27; the place of writing is not established.