Anyone recognize this logo?

[cherrypicked]

It's a tie pin I found. 100 years of something but I'd like to know what. I picked it up for 50 cents just so I could figure out what it was for. It is sterling and says cm & d on the back.

 

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[BertC]

Don't know. But for fifty cents, you got a good deal! What does it weigh?

 

[cherrypicked]

Unfortunately my scale is back in Ohio so I'm not certain. Not much though.

 

[BertC]

When you find a scale use this website as a reference. It updates every 15 minutes.
http://cointrackers.com/blog/25/sterling-silver-prices/
Happy hunting to you

 

[Sentrom]

The logo is for A. M. Castle & Co.

 

[Sentrom]

I assume it is a pin made for its 100th year in 1990.

 

[cherrypicked]

Awesome! It was driving me crazy. Thank you!

 

[Mackaydon]

Sentrom, great ID.
The company was founded in 1890 so what would you bet the pin was to commemorate in 1990 their 100 years of operation.
Don.......