The phrase Cole VAI is almost certainly a slight typo for the Cole VA1 key blank.
According to lock industry standard cross-reference guides, the manufacturer equivalents for this specific key profile are:
Cole Brand: VA1 Ilco Brand: Y155, or in some specialized lock series, the Ilco VA1 used for Vaughan locks Taylor Brand: Y155.
Information and illustrations are to the best of our knowledge and sourced from various sources.
If you know differently, you are welcome to message us.