A postmortem will held today on a 19-year-old man who was shot dead in Clapton on Saturday.
A second man was also hurt in the attack but is in a stable condition.
No arrests have yet been made and the police are appealing for any information.
More top news
Led by Quo frontman Francis Rossi, Parfitt's band mate for 50 years, the group's current line-up joined mourners at Woking Crematorium.
Currently the Ealing Council has a huge shortage of suitable space and sees these steel well insulated boxes as a cheaper alternative.
Staff at Envirowaste in Leyton say the medal may have been left within a piece of furniture and thrown away accidentally.