Canada forgery group manufactured from real stamps inc. fake OHMS overprint on 50¢ Lumbering, fake Admiral coils, fake "2 CENTS" overprint on 3¢ Admiral, 2¢ Map with trimmed perfs and Dec 24 fake Montreal cancel, 6¢ Jubilee with fake FDC cancel, fake five hole OHMS on 2+1¢ War Tax, fake trimmed perfs on 1¢ SQ and 50¢ Widow Weed to make imperforate, colour changeling on #36 and F2 to blue, etc. (Image)