Trotter's Independent Traders?

Backblip. I found this three-wheeler Reliant Robin parked outside our front gate first thing in the morning. I haven't seen one for years. I don't know to whom it belongs but, as it sat there for a couple of days, I suspect it might have broken down. Being the vehicle of choice for Del Boy Trotter, I did check the street for signs of two men in ill-fitting Batman and Robin fancy dress...