# The Codebreaking Club vs Silverbird Exchange

> Side-by-side comparison of two snail mail subscription clubs.

**Source:** [Letter Clubs](https://letterclubs.com/compare/letterjoy-codebreaking-vs-silverbird-exchange)

## Quick Comparison

| Feature | The Codebreaking Club | Silverbird Exchange |
|---------|-----------------------|---------------------|
| **Price** | From $14/mo | From $20/mo |
| **Frequency** | Weekly | Monthly |
| **Ships** | Worldwide | Worldwide |
| **Rating** | 4.8/5 | N/A |

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## The Codebreaking Club
*Encrypted dispatches from history's greatest spies and codebreakers*

![The Codebreaking Club](https://storage.googleapis.com/letter-clubs.firebasestorage.app/club-images/d245e4d4f411.png)

| Field | Value |
|-------|-------|
| **Price** | From $14/mo — Add\-on available for Federalist Papers subscribers at $49\.99 |
| **Frequency** | Weekly |
| **Ships** | Worldwide |
| **Country** | US |
| **Rating** | 4.8/5 (89 reviews) |

Weekly letters and encoded dispatches from history's most famous intelligence operations - complete with cipher keys and the stories behind the codes.

The Codebreaking Club from Letterjoy explores the history of cryptography through the letters and dispatches of real spies, codebreakers, and intelligence operatives. Each week's mailing includes a letter or dispatch, often partially encoded, along with a cipher key and the historical context of the operation it came from. It covers figures from the Bletchley Park codebreakers to Civil War spies to Cold War intelligence officers.

**Tags:** `history`, `letters`, `weekly`, `parchment`, `codebreaking`, `spies`, `educational`, `puzzle`

**Social:** [Instagram](https://www.instagram.com/letterjoyco)

**[Visit The Codebreaking Club](https://www.letterjoy.co/products/codebreaking-6)**
[Read reviews](https://letterclubs.com/club/letterjoy-codebreaking/reviews)

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## Silverbird Exchange
*Silverbird Exchange is a monthly snail mail club delivering handcrafted mail, offering an archive of reflection, shared voice, and lived experience for women\.*

![Silverbird Exchange](https://storage.googleapis.com/letter-clubs.firebasestorage.app/club-images/0841a9449e0d.webp)

| Field | Value |
|-------|-------|
| **Price** | From $20/mo |
| **Frequency** | Monthly |
| **Ships** | Worldwide |
| **Country** | US |

Monthly snail-mail club for women delivering a handcrafted archive of reflections, shared voices, and lived wisdom; $20/month, ships from the U.S., free worldwide shipping.

Monthly snail-mail club for women delivering a handcrafted archive of reflections, shared voices, and lived wisdom; $20/month, ships from the U.S., free worldwide shipping.

**Tags:** `monthly`, `international`

**[Visit Silverbird Exchange](https://mailclubly.com/@silverbird-exchange)**
[Read reviews](https://letterclubs.com/club/silverbird-exchange/reviews)