Hi, I'm still fairly new to DE shaving but I bought this on eBay but I have a few Q's about it. Firstly what model/age do you think it is? It is made in Canada and has the serial # 807177 I have yet to try it out, but I will tomorrow after after cleaning/steralizing it. It's a fair bit weightier than my usual razor (which I like) but I think it'll be a bit more aggressive, so should I be a go a bit slower than usual? also I have never used open tooth comb - do you have to adjust your style at all?