Builders and Number Plates: Material ?

[nw-mailing-list at nwhs.org]

On Jan 22, 2005, at 9:57 PM, nw-mailing-list at nwhs.org wrote:
>
>  Class K1 - Locomotive 100 had a polished aluminum front number plate 
> when retired. Must have been a test to see how they would hold up. 
> Could be that a few other K1's also were so equipped.
>
I have also seen aluminum front plates for at least 3 other K1 
locomotives, but I do not have my notes on which, I believe all were 
originally so equipped.

Ken Miller