All Zig-Zags are really early. Harris period. They are very scarce. (i never use the r word, it means too many different things to too many different people and is often applied rather hopefully.)
We don't tend to discuss values here. In the secondary market something is worth what it makes, in that place at that time.
We don't need folk getting angry at us for making a vague guess, then a price not being realised!
The best way to find a ball-park figure would be to check sold auction lists. i think the last one I saw went for around Ł375.
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