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PLATE X
Incised Stones from Scotland
1. Incised stone, locally known as "the Picardy Stone," with double disc and Z-rod symbol, serpent and Z-symbol, and mirror with double-disc handle. From Insch, Aberdeenshire.
2. Incised stone with double disc and serpent and Z-rod symbols. From Newton, Aberdeenshire. Cf. Plate XVII.