There's a Few On Ebay, Here's The Links.. Good Luck!
<a href="http://cgi.ebay.com/WALTHER-SMITH-PISTOL-CASE-FOR-PPK-PPKS-LIKE-NEW_W0QQitemZ7214584329QQcategoryZ73939QQssPag
eNameZWDVWQQrdZ1QQcmdZViewItem" target="_blank">PPK case Ebay</a>
<a href="http://cgi.ebay.com/WALTHER-PISTOL-HANDGUN-BOX-CASE-AND-INSTRUCTIONS_W0QQitemZ7214165251QQcategoryZ106972QQssP
ageNameZWDVWQQrdZ1QQcmdZViewItem" target="_blank">Walther Case Ebay</a>
<a href="http://cgi.ebay.com/WALTHER-P-22-FACTORY-CASE_W0QQitemZ7215434921QQcategoryZ39425QQssPageNameZWDVWQQrdZ1QQcmdZ
ViewItem" target="_blank">P22 Case Ebay</a>