Can I use OLD H1 which is valid?

[longGC]

I have an OLD H1-B visa. It is valid for one more year. However, I changed my company. The new compnay applied for my H1B which is now approved. I do not have new company\'s visa endorsed on passport.
Can I travel on OLD H1B visa?

Thanks in advance.

 

[jaxen]

At your own risk <EOM>

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