RCBS paper die box
Does anybody know about what year RCBS went from paper to plastic for their die boxes?
RCBS paper die box
not sure but i would guess between 68 and 70. i am sure plastic was uswd early 70's
RCBS paper die box
by Hobie 
, Shenandoah Valley of Virginia, Sunday, August 05, 2012, 22:27 (4494 days ago) @ uncowboy
I am thinking about 1968 for some reason. All that I bought in the 1970s it seems were the rounded corner plastic box with the funky little "T" shaped locking tab.
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Sincerely,
Hobie
Based on a small sample...
by Hoot , Diversityville, Liberal-sota, Monday, August 06, 2012, 09:46 (4494 days ago) @ Charles
The paper boxes in hand contain dies with the following dates...
No date
1965
1968
The earliest set in a plastic box, T-lock, is dated 1973.
Assuming they are all in their correct boxes (pretty good bet), we're narrowing in on it.