Did the Proof Sets from years past in cellophane come in a sealed envelope?

Or was the envelope unsealed? I see a million people on eBay selling sealed sets with a nudge that you could get a $9000 coin or something. I also see a half million people on eBay selling the envelopes.
So does anybody know........Did they come sealed in the original envelope or was it just inserted into the envelope and shipped in another package?
John
So does anybody know........Did they come sealed in the original envelope or was it just inserted into the envelope and shipped in another package?
John
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<< <i>Or was the envelope unsealed? I see a million people on eBay selling sealed sets with a nudge that you could get a $9000 coin or something. I also see a half million people on eBay selling the envelopes.
So does anybody know........Did they come sealed in the original envelope or was it just inserted into the envelope and shipped in another package?
John >>
I believe you can also buy unused envelopes on ebay, and seal them after the fact. But we know no one would ever do that!
John
Never view my other linked pages. They aren't coin related.
sight un seen on the Bay is a whole nother story !
Majorbigtime is Correct, for boxed sets (1950-1955) and flat-pack envelopes (1955-1964). But many of the flat-pack envelopes were "lightly" sealed. They can easily be opened without tearing the flap, and re-sealed. I still have quite a few sets in the original mint-sealed envelopes--especially 1956-57-58. Seems like the mint-sealed ones always bring more money on EBAY, due to the "unknown" factor. Personally, I'd rather examine the coins before I buy them.
Also, the envelopes weren't all "brown" colored. I have a few 1957 sets (mint sealed envelopes) in larger off-white color, also some in darker grey color envelopes. Of the ones I've opened so far, I've found that almost all of these are of higher relative quality, with occasional cameo strikes. They're most likely from the earlier dies, IMHO. I hesitate opening the rest of my sealed envelope sets because it lowers the value, according to EBAY sales history.
BTW: All my 1956 and later proof sets were purchased by me from the US Mint. So I know where they came from and where they've been.