Locksmithing Rates 1953 vs 2013
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http://www.locksmithledger.com/article/11536491/throwback-thursday-average-locksmith-pricing-in-1953
http://www.locksmithledger.com/article/10881122/locksmith-services-pricing-2013
They also have content that is only for paid subscribers.
http://www.locksmithledger.com/article/11536491/throwback-thursday-average-locksmith-pricing-in-1953
http://www.locksmithledger.com/article/10881122/locksmith-services-pricing-2013