I've been trying to find a M88 for a while but alas... I can't
K-Var Corp imports a version of these that has upgraded grips and slightly different frame/slide contours as well. Check them out, it may be similar to the M-88 that you seek. Here's where I saw it... M88 Zastava
Looks like they only have mags currently. Probably all sold out like everyone else.
Here's a pic of the Zastava from Century...