More old molds

Here is the second post. These are some additional molds, that I would be interested in the value/history if anyone has any insight. Many thanks.

These molds are unmarked, other that the 4 on the left being stamped with a 44H. (I have heard the H may be for horse?) The one on the right appears to be the same, but unmarked and in a smaller diameter. These are all conical cavities (if that's the correct way to say it).

The second mold is all brass. A 4 bullet mold in a large caliber. I see no markings of any kind.

The last is a really big, heavy 6 bullet mold. It is stamped US and 69/100 on the side.

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