The letter was written to enclose the particulars of the assembly for His Royal Highness's inspection, and is addressed to York House, Portman Square - the residence of HRH Prince Fredrick, Duke of York
In the letter he is seeking the Duke's patronage for an assembly.
The notice is addressed to the 'Nobility and Gentry, Resident at Richmond, and its Vicinity', and gives details of four subscription balls, under the direction of Mr D'Egville (Ballet-Master at the Opera House), to take place during November and December 1804.
The notice records the resolutions passed at a meeting held for the purposes of taking into consideration the best mode of conducting this assembly for the present season, presented by T. Southwood, Treasurer.
Document laying out the Rules and Orders for the Four Assemblies to be held during the season on Thursday December 15th; Wednesday January 25th; Wednesday March 1st; Wednesday April 5th. Includes 'Dancing Regulations'.
The announcement of three 'fashionable' subscription balls with refreshments, under the patronage of Her Grace The Duchess of Buccleuch, and several ladies of distinction... the first ball to be held on Monday 8th November, 1819.
The announcement of three subscription balls to be held in June, under the patronage of Her Grace The Duchess of Buccleuch, The Countess of Shaftesbury, The Hon. Lady Stewart, The Hon. Mrs. Scott.
Under the Patronage of the Duke of Clarence, Martin Sanderson respectfully announces to the Nobility and Gentry that his course of Balls this season is fixed as follows: The 1st for Friday October 4th; The 2nd for Tuesday October 29th; The 3rd for Friday November 29th; The 4th for Tuesday December 31st, 1822.