Use tape or beefy paper like a Manila folder to protect the stainless steel. Get a tack puller under the head. You may have to coax it with a hammer. There you go.
Here is the tool I use.
http://www.sears.com/craftsman-tack-puller/p-00941397000P?prdNo=1&blockNo=1&blockType=G1
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Chris Hibler - CARGPB #31
http://www.Team-EM.com
http://webpages.charter.net/chibler/Pinball/index.htm
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