5 3/8" X 4 7/8" (137mm X 121mm)
No markings [two part glazeweld] {Thomas}
Picture courtesy Bill Rohde |
U-620B: USA
5 3/8" X 4 7/8" (137mm X 121mm)
No markings [two part glazeweld] {Thomas}
Picture courtesy Bill Rohde |
U number assignment by Jack Tod.
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