This letterbox hybrid is a simple offset multi and is not hidden at the pub itself but within walking distance. August 2019 will see the second SOX event in Ewelme, the 34th SOX event.
The self-inking rubber stamp in the cache is NOT a trade item, and must remain in the cache!
When you arrive at the published co-ordinates you should be in front of this Oxfordshire Public House. Look at the crest above the door and note the date surrounding it. Call this ABCD.
The cache can be found at
N51 37. (C/3)(C-D)(B-2A) W001 04.(B-3A)(C-D)(B-A)
The checksum for these 15 digits is 39