.228 - .199 = .029 / 2 wraps or 4 total paper layers would be ~.007 to ~.0075 paper thickness which would be very stiff paper.

I suppose you could go 3 wraps or 6 layers which would be ~.005 paper, which is more normal, however I have never tried that many wraps so can't say if it would work or not.

I think that they were slugs for a .228/.229 gun however I think copper cups more likely. IMHO