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Sounds you didn't score bad at flea market (I wish _I_ would find a DD somewhere), but lets see the blades since the condition is a factor too. Don't start swapping out scales just yet - depinning...

You said you have flea market blades? If they're ok shape (for example, you could post pictures here and ask advice), I think the cheapest way to get a razor would be to get sharpened either locally...