5 (Vol. 1)

                      Activity on Horseback
Mr Astley will perform this day upwards of 12 Attitudes on Horseback 
on one Two & three Horses at the new Spring Gds [Gardens] five fields 
Chelsea  the Doors to be opend [opened] at 4 & Mount at 5.   Ad [Admittance] 1 [shilling]
                                                        Wed 6 Ap [April] 1768 Gazetteer [and New Daily Advertiser]