Approx 500 blades, 380 of which are Astra SP and the rest are a mix of stuff i have played with like Feathers, Derbys, Super Shave X and Wilkinson Sword.
I shave every 24 to 36 hours and tend to let it grow over the weekend if i can. An Astra SP gives me 3 good shaves before i can feel the edge going off. So a blade lasts about a week generally, which means i have nearly 10 years worth.
At my current age of 60 years young, i hope to retain my faculties long enough to get thru these blades and many more.
...........Before i deteriorate to the stage where the people around me take away my razor in the night and replace it with an electric one .... "
its for the best ....... "