Probably did not have a made in Japan sticker to start with, I don't think those were added till later on.
As far as the anniversery mark, a waterslide is more permanent than a sticker, you cannot just peel them......MORE »
I have one they had a 20th ann waterslide decal on the back of the headstock,
here is a link to my 20th ann vintage plus strat
some of the limited editions models had......MORE »
I have played various heads with both cabinets,
I have always found marshalls to be a bit compressed. Great if you are playing a lot of fast distorted stuff, a bit confined if you want an nice vocal airy sound.......MORE »