Base level cache for searching for Bilbo - where is he?

Ask Bard: Where is Bilbo?

Ask Gandalf: Where is Bilbo?

Secondary level cache for searching for Bilbo - where is he? 
But to find Smaug, first find Bard and Thranduil (the Elven King).

Suggested SECOND cache in the Eccleshall Ring

Bombur is big enough for largish items by way of swaps or TBs

Final cache of the series.  You need to find all 17 other caches before you can find Bilbo, a cache near to Eccleshall in Staffordshire.

Suggested FIRST cache in the Eccleshall Ring

18 caches to celebrate our 18th wedding anniversary.  Contains the Eccleshall Ring and four bonus caches that all lead you to Bilbo.