about '57 speedo

[Philippe COURANT <accf_clb@xxxx>]

I've seen a '57 300C speedo on ebay
(http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=1825900061)
and the seller says : (..) This is an assembly line unit, as if
it were service replacemant the "TENTHS" numbers would have to be
red (..)
Is it true ? And same property on other speedo ? On my Imperial
the (non working..) speedo has red "tenths".

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Philippe COURANT (Pau, France)
Imperial 57 Crown convertible
Buick 58 Roadmaster sedan

- American Car Club de France (ACCF) : http://www.accf.com

- Chrysler Imperial France : http://www.ifrance.com/c-i-f

- Cadillac " Standard of Excellence " :
http://www.ifrance.com/accf-cad

- SportsCars : http://www.ifrance.com/accf-sprtcar