Is this what I think it is?

[scuzzb494]

I have a few bridgeboards for the 2000. Probably one of the machines that I have most cards for to be honest..... Here is the A2088XT version.

http://www.scuzzscink.com/amiga/amiga_scuzz276.htm

I'll have a dig around in my big bucket... I'm pretty sure I have one of those. Looks very familiar.