The 100th Machine ( which is a red XMP built  in 85 ) about 55 Cray-1s were made.
Celebration glasses with the inscription “Celebrating 100 of the worlds fastest Computers March 1985” were issued and an all employee party was held.
The 100th Cray XMP was SN225 in March 1987
From Cray Chips :
The system was delivered to an German customer who brought it in through the roof.
