Well, depending on the thickness and the degree of urgency involved, I could have a stab at replicating it in aluminium. Depends on the thickness - I have a selection of alloy plate, but not every possible thickness. Although I can mill it down if I've got something close.
Yes - Streatham. Would be very happy to travel though and sort out six pack payment!
@Brommers - have some general DIY skills, but know that replicating something like this will be far better done by someone else.