No, not as the only number - off cause the Style number is: 128523
But as I recall, it is only the city which has diverging serial numbers over the seasons? But I could be wrong, since I have not been collecting this year - and things might have changed??
It's amazing what I'll do to avoid doing bills and laundry...
The numbers do change apparently. Here's a shot of an authentic twiggy that recently sold on ebay.