We will process your request in 2-3 weeks from the date we receive it. 

Reminders:

• Check if an authentication certificate or an apostille is needed.
• Review the certification requirements for each of your document(s).

What to include when you request authentications by mail:

• A completed Request of Authentications Service DS-4194 form – specify the document’s country of use in Section 4
• The document(s) requiring authentication services
• Fees. Authentications fees are $20 per document for all services.
• One self-addressed, prepaid envelope for return of your document (don't include FedEx)

https://travel.state.gov/content/travel/en/records-and-authentications/authenticate-your-document/requesting-authentication-services.html
여기서 찾았네요.  소 그러니깐 4194에서는 옛날 금액이 업데이트 되있지 않군요. 황당하지만 당하는 사람 많겠네요.

https://eforms.state.gov/

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