Golden Star seemed to be the choice when I did my research. I Purchased the front and rear 442 for my '69 and the fit and looks were good. The aftermarket bumpers both actually weighed more than my originals. i couldn't afford to rechrome my nice originals, the golden stars will work great until I run into extra money for rechroming.

 

Some of the best re-chromed bumpers I have bought with or without a core to turn in was from www.bumperboyz.com
If you have a non cut out bumper for a core and want a cut out they will give you a fair amount for your core towards a re-chromed
They come to shows all over the country and have a vast inventory. They are located in LA, Cali.
I had a small issue with one I bought that didn't show up until a couple months later. They brought one to the next show after I called and replaced it with no hassle and made sure I was satisfied. They would have shipped it as well.
I have also bought aftermarket ones; both front and back; from Fusick. There was hardly any difference from the original and fit great. The only difference I noticed was the 2 tabs at the bottom edge of the bumper were slightly different from the originals. I suspect the tabs are only there for latching onto the bumper for the various tank dips required to chrome it.
Good Luck .