Ornate Austria Vase Pitcher with square mark - any info appreciated

Hi Folks!  Newbie here... we buy and resell anything that looks neat and has value.  Love learning about antiques as we go!  We picked up this vase / pitcher at auction.  From what I can tell, it may be a fairly common piece, but I'd still love to learn more about it.  Can anyone shed some light on maker, age, origina, etc.?  Thanks!