Fluorescent Green.
This is a fairly recent item, but is unusual in that it has four values of fuse wire - the 20A type is rarely seen, as 20A rewireable fuses are seldom used.
This still has the remains of a price label on the top right.
Switch off at the mains before mending fuse.
Use the correct type of fuse wire.
Warning: Electricity can be dangerous.
If in any doubt contact a qualified electrician.
This version has substantially less green print, with the centre section plain white.
The price label is Payless DIY, probably from the 1980s.
The reverse in unprinted, with the barcode being a label stuck on afterwards.