(c) What colour fabric is the face material? (b) Is it a 'Head only' amp with a separate speaker box or a 'All in one Combo'? (a) Is it an 'Older' amp if so, approx age? People change speakers, change Tolex (covering cloth), change face cloth and in the instance of a separate amp head and speaker 'Box' the box can be from anywhere/any make.
Just be aware amps can and do get modified i.e. Hi, kulleborn, I'm definitely not an expert on amps but if you can give a bit more info it might help someone here in this Forum identify your amp.