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There comes a time when you might be interviewing for a senior position and then comes the talk about your wages. If you worked for a year or two with average / low wages, that does not mean you have to tell that monetary information to the company that is interviewing you. What you can do instead is tell them "what you think you should be earning right now", and how much more they should pay for you to enter their company as a senior designer.
It's not lying; it's about knowing your worth.