5 5/8" X 5 1/2" (142mm X 139mm)
(skirt ink stamp) KNOX {Knox}
Picture courtesy Robert Winkler |
U-425B: USA
5 5/8" X 5 1/2" (142mm X 139mm)
(skirt ink stamp) KNOX {Knox}
Picture courtesy Robert Winkler |
U number assignment by Jack Tod.
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