Oct 1987 – Park Royal. The one in the middle is a bit younger and started life with Leyland engine, as opposed to AEC.

RTW501 posted a photo:

RM555 / WLT555. With LT 1960 – 1988. Exported to Germany after.

RM1820 / 820DYE. Leyland engine original. With LT 1964 – 1987. Stayed in UK.

RM730 / WLT730. With LT 1960 – 1988. Ended up with Negombo Peopolised Transport, Sri Lanka. Lasted until 2000.

Ian’s Bus Stop RM production Buses.

Photographer Stephen Day? See comments with more information.