3 1/2" X 3 1/2" (88mm X 88mm)
No markings
Picture courtesy Fred Collier |
U-438: USA
3 1/2" X 3 1/2" (88mm X 88mm)
No markings
Picture courtesy Fred Collier |
U number assignment by Jack Tod. Note former U-438A and U-438B have been merged with U-438 as trimming varients.
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