Address 4560 Hamilton Blvd, Allentown, PA 18103 Phone 484-707-9100 Email Address bonbri55@aol.com GET IN TOUCH Local Gold Exchange Company Hamilton Gold & Coin is the premier Lehigh Valley gold exchange company located in Allentown, PA. Use the form below to contact us & we will respond as soon as possible! Please enable JavaScript in your browser to complete this form.Name *Email *PhoneComment or Message *EmailSend Message