Letters from the heart USPS 99510 Mystery Cache

This cache has been archived.

blazingpathways: Many of the little blue boxes have been decommissioned and the links are difficult to find deep in the Postal Museum archives. Thanks to everyone who worked on solving the Letters from the Heart series through the years. I will pick up the container in the next couple of weeks.

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Hidden : 2/29/2008
Difficulty:
2 out of 5
Terrain:
1.5 out of 5

Size: Size: micro (micro)

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Geocache Description:

The coordinates listed lead you to a little blue USPS box - there is no physical cache at the starting location. Rather, the starting location has answers to some of the questions that will bring you to the final. GEOCHECKER ADDED.

This is the eighth in a series of caches dedicated to the ever faithful little blue boxes of the US Postal Service. How they seem to blend into my environment until I need one. Removed a problem link 11-19-11. Updated 3rd link 8-16-12. Changed two questions 12-29-12. Updated ff 6/8/13. Updated 5-5-14. Moved cache and revised puzzle 7-14-15.
(visit link)
(visit link)
(visit link)

The final is located at: N 61 aa.bcc W 149 de.ffg

aa = One New Years Eve, this first class one-ounce rate went into effect.

b = 7

cc = Add 14 to the rate other than $0.29 that was proposed as a "business rate" for first class mail, but was never implemented.

d = The Sadie Hawkins tradition originated in Ireland in this century.

e = The number of mixed mailboxes at the starting location plus 2.

ff = Two 2-digit numbers were OVERPRINTED along with the word CENTIMOS on the stamps of Costa Rica in 1925. One number was 45; Add 6 to the other number.

g = Add 7 to the number of mailboxes at the starting location.

Leap out of your chair. Everywhere I look, there are letters and letters and more letters. Sort through and you'll find me and the coin and pin for the FTF. Bring a writing utensil.

GEOCHECKER: (visit link)

CONGRATULATIONS to OMGCrew, Hixfromthesix, and FrostG1ant on the FTF!

Additional Hints (Decrypt)

Gur bayl bcgvba yrsg jnf gb ubcr gb znxr guvf BBQYRf bs sha.

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)


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