All the Euro Civic/CRX VT's have B16A1 stamped on it with a 1-series engine number below it.
Aren't the JDM 1-series from the Integra XSI/RSI and the 5-series from the Civic/CRX?
I guess because our B16's were produced for different markets they have different types of serial numbers.
Here's the complete pic:
btw, they can't track anything down with a engine number, right? (yes I'm paranoid..

)