Here are four marked Fred M. Locke early classic pieces -- actual postage additional

U-3 (clear dome incuse) FRED M. LOCKE / VICTOR N.Y. -- great dark mottled glaze! no issues $25 (SOLD)

U-39 (clear dome incuse) FRED M. LOCKE / VICTOR N.Y. -- awesome mottled tan -- no issues -- $12 (SOLD)

U-39 (faint dome incuse) M. LOCKE -- no issues -- $22 (SOLD)

U-55 (clear dome incuse) FRED M. LOCKE -- tough piece! Filed base - great condition! $160 (SOLD)

Or take the remaining three for $50