IM Reefer Production Year


Lester Breuer
 

Working on a NP Steel Reefer 91325 produced by InterMountain exclusively for the Armarillo RR Museum.   I am wondering if anyone has the year in their notes these were available for purchase?  I contacted the museum and they guessed 20 years or so ago.  Hoping to get a year?
Thanks in advance for your time and effort to respond.
Lester Breuer

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