It means pretty much exactly what you said. That many people have it in their “collection” on Discogs. Sometimes. There are pressing notes in the “notes” section sometimes that state quantity if it was limited. Some just don’t have a ton of info.I looked up the record I put in the Nov Challenge today on Discogs and saw this
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Is that plausible? If 895 Discogs users went to the trouble of having themselves counted as having it, how many people who have the record didn't? It's hard to imagine so many copies in circulation.