Yapp & Woodward, Birmingham Sterling "Castletop" Calling Card Case

Item: Calling Card Case Make:  Yapp & Woodward (Birmingham, England) Model:  "Castletop" Age:  Mid-Late 19th Century Construction:  Sterling Silver Dimensions:  3 3/8" Tall x 2 1/4" Wide x 3/8" Deep Weight: 1.6ozt Condition:  Excellent pre-owned vintage condition. Some patina commensurate with age and use. Please see photos.  Details: Heavily chased card case with hinged lid and detailed depictions of Windsor Castle and St Paul's Cathedral on either side. Ornate scrolling and floral elements above and below the scenic panels.  Edges decorated with a scrolling flower and vine repeating design.  Inner edge of card case is engraved on each side.  "Hildegarde" is engraved on the side bearings Windsor Castle, "Swanson" is on the other side.  The case is unmarked except for the maker's mark, but tests as Sterling.  The "A" in Swanson obscures the "Y" in the Yapp & Woodward Y&W, though the "W" is still visible.   Victorian ladies often carried "calling cards" to leave wh