This is my first post as I come to the SRP after returning to wet shaving and DE/SE razors a couple of years ago after some years away (cartridges!). Inevitably I have become interested in straight razors and acquired my first razor from an Edinburgh junk shop a few months ago for a couple of pounds. It appears to be an undistinguished but useable Spanish relic with "EXTRA" on the tang, Garantizado, No14 and AF on the tang. I thought it might be useful for learning honing skills. But I have just noticed a column of tiny inscriptions (25 in all) on one of the plastic scales; they can only be seen clearly under a lens and would challenge photographic representation. I thought at first these might be dates for honing in the manner that clocks or watches are inscribed for servicing but they do not fit a consistent pattern. The first 3 inscriptions are 11704, 5088, 11944 then continue in similar random vein; they appear to be in the same hand. The only other solution I could think of is that these were "receipt numbers" used by the honer? Has anybody else seen this?