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Please Mr. Postman Mystery Cache

Difficulty:
3.5 out of 5
Terrain:
1 out of 5

Size: Size:   regular (regular)

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Geocache Description:

Cache is an ammo can close to parking

View Handicap Ratings for GCMZN9


While enjoying coffee and conversation in a restaurant near the above coordinates, we noticed an envelope lying on the floor. It bore no return address but it had a cancelled stamp. An address label was addressed to;

Northern Michigan Geocachers
106 W Grandview Parkway
Traverse City Michigan 49685

That address caught our eye but we realized that there is no longer a structure at 106. Where had the envelope come from? How had it been delivered? How had it gotten here in the resturant? The mystery deepened when we turned it over and saw these cryptic markings written in pencil on the back;

A 44° noprq tsuvw xzaby ocdqe fshui,

J 085° jkxyl omnqp rsutv wxzya bcoqd,

Juvyr fbzr fgevir gb cnff vg, bguref whfg xrrc gelvat gb envfr vg.
Zrrg zr gurer naq jr’yy qevax gb vg

We could tell that this was some kind of code. Being experienced Geocachers, we instantly thought we recognized part of it but the rest had us stumped. By our third cup of coffee we experienced a flash of insight. We used our lap top to access the internet and with just a little bit of searching, solved the puzzle. We plugged the coordinates into our GPS and soon found an ammo can in a nearby park.

Adopted by KzooOtters in 2021

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Additional Hints (Decrypt)

nproq + tvwsu = zaxby, cdoeq + fhsiu = kxlmy, naq fb ba, naq fb ba,

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)