sbc pistons help

i just bought a set of used pistons the guy did not know much about them as far as he knows thay are for a 350 chevy forged pistons,i can not find anything on these pistons to find out what i can use them in numers i founed inside of the pistons are 3850139 or could be 3850'39 the second number under it is 098-99 any help on these pistons would be very greatful thanks take care

'62-'68 327, 350hp, RPO L79, forged, 11:1, pressed pin

Here are 68 threads that came up on a "L79" search here....
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Another 22 threads on a "L79 heads" search.....
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And 10 threads on a "L79 pistons" search......
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