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Re: @Trouble:
If you are talking about Castle Age Gift English, it's not possible, those are the set gifts.
If you are talking about this script Castle Age Same Gift Trading, it already has it in by checking what are available for gifts on the gift page.
Hey there Vitae, sorry for the late reply, I didn't notice that there was a comment here. I fixed it and its up https://openuserjs.org/scripts/Yack/Castle_Age_Gift_English