
Undated
Newcomb
The source dates the illustrated example to ca 1985; this is observed-object evidence, not a mark-use interval.
Pottery & porcelain · a closer look
The source dates the illustrated example to ca 1985; this is observed-object evidence, not a mark-use interval.

Undated
The source dates the illustrated example to ca 1985; this is observed-object evidence, not a mark-use interval.

Undated
The source dates the illustrated example to ca 1980; this is observed-object evidence, not a mark-use interval.

Undated
The source dates the illustrated example to ca 1980; this is observed-object evidence, not a mark-use interval.