So, AllEngelhard will be officially updated to flip 1st & 2nd series? Also, another thing: It appears older bars are more square in nature, while the newer ones are relatively more rectangle (longer, narrower). tozak's is more rectangle than the AllEngelhard I posted. That fact, along with the paritally vertical stamping, still needs to be logically reconciled, IMO. You know, it would just be easier if PM simply released their production records..
I says just take the wording Series out, as it add to a confusion. The kilo Tozak have, follow the Type C series, I call them slim/ thin version. Elongated and broader at it width, therefore have vertical stamped. Higher population than type D The one you pointed out Type D are the Chunky version, short , Narrower at it width but thicker loaf, doesn't have room for the stamped, so stamped Horizontal. The Zero on the serial is rounded rather than oval in shape. This was the last series where serial number introduced, short life production. Where the newer type F doesn't have serial later introduce.
