I just searched the online catalogue for Essex Record Office (just google SEAX and you'll find it) and found this:
Q/RSt 107
'Tyburn ticket'
Repository: Essex Record Office
Level: Sub-Fonds ENROLMENT, REGISTRATION AND DEPOSIT
Level: Series CRIME, POVERTY AND PHILANTHROPY
Level: Sub-Series Prosecution of Felons ['Tyburn Tickets']
Level: File 'Tyburn Tickets Roll'
Level: Item 'Tyburn ticket'
Level:
Item
Reference Code Q/RSt 107
Dates of Creation 8 March 1815, enrolled 22 August 1815
Title ['Tyburn ticket']
Scope and Content To William Cross, on conviction of William PRICE, 6 March 1815, for housebreaking and stealing goods worth £18 of William Merington on 29 January 1815, at Buttsbury.
Date From 1815
Date To 1815