My S'G' order just went "shipped" and the SN is 3650947.

Riesch 5th ed page 201 note 2 says:

"Saginaw S'G' (Grand Rapids) receivers have been observed in the SN range assigned to Saginaw SG as high as SN 36244XX."

Does this mean that my new S'G' has set a new upper limit for S'G' SN in the block assigned to SG?
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