Agate (chalcedony) in Limestone [Postcard]

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POSTCARD TITLE: Agate (chalcedony) in Limestone

POSTMARK: Never Mailed

PUBLISHER: 1962 Hiawatha Card Co.

TYPE/BACK: Chrome, Divided Back

COMMENTS: Fanciful faces are created by agate-like silica deposited in vugs in limestone.

The corners of the card are slightly rounded.