Hmmmm ... I know they're not metal, but they used to have a Southern Martin 404 in the range that I wanted, but I never bought ... does anybody here have one ? I think that they are more like the Air Jet Advance Models, made of some light resin or plastic material.
I have heard much about these "Pacmin" models but I don't have one of these either, I am more a toy guy although I like the 50s-60s metal display models by Raise-Up, Fermo, Verkuijl (can't find many for sale, though
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Did Pacmin used to be called Pacific Miniatures? Plane News did a mini-article on this firm in the 1990s. It was a prolific firm with many models in demand at the time.