Guesswork, is what it comes down to. You look at what others are asking for a similar model, take into account any other factors such as moving parts, level of detail, accuracy, colour/material options and so forth.

Also, if you're not well established as a model maker, it's a good idea to reduce your price a little to encourage sales. Someone with a track record can most likely charge a higher price than Mr Nobody with one product for sale.

As an aside, good to see you, Doc. Missed your wit and wisdom here.

Coppula eam se non posit acceptera jocularum.

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