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2021 MARKET UPDATE:
This has been a frustrating year to own a JIM#83.
Some books have set new records, including a huge 9.4 sale.
Meanwhile, other grades (including my pick of 5.5) saw bafflingly low results.
Entry point for this book in any grade is now well over $2K!
2020 MARKET UPDATE: TIME TO BRING THE HAMMER DOWN
The Marvel Silver Age keys are all performing strongly this year.
(HINT: none of them are the hottest mega-key this year!)
How did we do last year tipping this book?
I think the sell-off of this book was overdone in the past couple of years.
It's generally a tough book -- we get it far less often than some of the other Silver Age keys -- and the fuss about Jane Foster taking up the mantle has led to renewed interest in early Thor issues.
Here are recent sales:
2019 MARKET UPDATE: TOUGH BOOK TO PREDICT
There are relatively few sales of this Marvel Silver Age Key Issue comic book. It's one of the scarcer mega-keys of the 1960s.
If more copies turned over, then it would be higher up the hot list for sure.
This book is almost as scarce as Incredible Hulk #1, which turns up 3-4 times per year in bigger collections.
There is no good reason to tip Journey into Mystery 83 for a big increase. It's really a long-term hold kind of investment. Keep it forever.
Some recent sales:
2018 MARKET UPDATE: NEW ENTRY ON THE 100 HOT COMICS LIST!
Never a hard issue to love, the first appearance of Thor is definitely worth a place on the Hot 100 following a couple of years when its values had been static.
The Marvel key issue comics from the 1960s have long had their "first appearance" movie values baked in. That said, books like Fantastic Four #1 and Daredevil #1 have been considered under-valued lately, and investors have been taking notice.
Some recent sales:
You can see from the above prices that price compression has been occurring -- this is where two grades (or even three grades) of the same book sell for similar prices in the market.
This can be a fluke, but you definitely want to be the person buying the (say) CGC 7.5 for $15K rather than the CGC 6.5 for $13K.
Be patient. Don't rush, especially if you're investing five figures in to a Marvel key issue comic with the hope of getting a decent return on that investment in the future.
Some books just get more expensive suddenly. It's like you reach base camp on the previous grade, and the next step up is steep.
This happens to be the case with JIM #83. A CGC 6.0 is about twice the price of a 5.5, and grades above 6.0 get silly.
You can find a 5.5 that looks just as good as a 6.0 -- sometimes better. Try to avoid Marvel chipping, and look for a copy with most of the damage on the back cover.
Note that when you come to sell, finding a buyer for a book in the $5,000-$10,000 range is going to be easier than finding one in the $10,000-$20,000 range.