One Of These Is NOT BLENKO?

BLENKO - BLENKO - Blenko -

Heart of Glass friend, WV Janis sent the following photo - Its a quiz. Which one of these is NOT Blenko? leave your comment below.
HJH,

Here is a photo I took for a friend. One of the five pieces is not made in West Virginia. Can you guess which piece is not made in WV and where it was made? After people guess for a while, I will post the answer in the comments. W Va. Janis

Thank you WV Janis for this photo quiz, and for the many wonderful photos you contribute to Heart of Glass. hjh