Pottery & porcelain · a closer look

Robert H. Sperry Robert Sperry mark: THE ADVENTURES OF COCK ROBIN R. SPERRY 74

Mark details

Source example dated 1974; this is not a mark-use interval.

Undated

Undated

Undated

Undated

Source example dated 1961; this is not a mark-use interval.

Undated

Source example dated Date: ca 1960; this is not a mark-use interval.

Undated

Source example dated ca 1960; this is not a mark-use interval.