I collected a couple of hundred seeds from my Acer shirwasawanum 'aureum' (full moon maple) and I'm only going to use a dozen or so. Anyone who wants some seed is welcome to it. email me a mailing address and I'll split the seed equally between all requestors.
These seeds will need stratification to germinate. See
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for a thorough treatment of stratification. Don't be intimidated by stratification, it's easy.--beeky