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Victoria's Post Box #64 - Bourne End Letterbox Hybrid

Hidden : 4/4/2020
Difficulty:
1.5 out of 5
Terrain:
1.5 out of 5

Size: Size:   small (small)

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Geocache Description:


Another cache in what has the potential to become a National Numbered Series of Letterbox Hybrid caches, placed to mark one of a diminishing number of post boxes placed in Queen Victoria’s reign and still in use for regular collections by Royal Mail.

A few simple guidelines will apply to the series (subject to amendment):

  • The post box must carry the Royal Cipher of Queen Victoria (in whatever format)
  • The box must have regular collections by Royal Mail
  • The box must be in the British Isles (so United Kingdom and adjoining Crown Dependencies).
  • Any style or colour of box are valid as long as the above all apply

Now to this Cache

The cache is not at the published co-ords, where you will find a Victorian Post Box set in a brick and flint wall. Naturally, you will need to visit the Post Box to obtain values for the final coordinates.



From the Postbox you need to find the following numbers -.

The Postbox Number, - which is HPa 1bcD

The Date, - Where d is the 1st digit, whilst e is the 8th minus the 7th.

The Saturday Collection Time, which is f.00am


The cache can be found

(e+f) (a+b+d) (c+d+e) feet away

on a bearing of (a+e)(f-a)(c-d) degrees



The self-inking rubber stamp in the cache is NOT a trade item, and must remain in the cache!



You can validate your puzzle solution with certitude.

There is a Bonus Cache (GC8P0F0) associated with this cache and the 4 caches listed below,

  • Victoria's Post Box #65 - Felden - GC8NWAA
  • Victoria's Post Box #66 - Water End - GC8NX9N
  • Victoria's Post Box #67 – Gaddesden Row - GC8NYZW
  • Victoria's Post Box #68 – Great Gaddesden - GC8NZET

Please click on GC8P0F0 to go to the Bonus Cache page for more information.


If you know of an eligible post box and would like to add to this series, please apply to Team Hippo for a series number, giving the following:

  • Location as in place name (and street if applicable)
  • Location in Lat Long format (DD MM.MMM)
  • Postbox number

Additional Hints (Decrypt)

Svaq n jbeq gung jvyy tb orsber Pyrnare, Qernz naq Onaq naq gung jbhyq nyfb tb nsgre Ubfr, Qenva be Pbccre naq ybbx va gurer. Tbbq Uhagvat.

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)