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Both have AU pins.

These style boxes are quoted individually on reception.
They’re at least Peripheral.
The more she’ll you can remove carefully, the better the chance for an upgrade.

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FYI, that design is known as a sardine can.
Trick, if you have one, a tin key really does work very well. Just notch and crush the first bit against the key with players and it should open right up with normal turning

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I don't see much if any profit potential in the large ones on the left. That's unfortunate because I have about 300 of those. However, it takes 12 whole ones to get to a pound. Likely 16 or so with lids removed. That's a lot of time for two or three dollars.
The one on the right I'd think would be a different story. At least I hope so. I have 147 of those. Is the can typically AU plated inside and out as this one is? Or would this one be considered atypical of the sardine can type?
Both of these cans are hybrids specially manufactured for the now obsolete ART-1 radar system.

Not common at all. That said aerospace and military... expect anything.

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