Ithaca Mdl 37 Trench gun help

[SUBGUN45]

Hello, I am looking at a WW 2 Mdl 37 Trench gun serial # 62024. The RLB and flaming bomb are present on the receiver. There is a P proof on the barrel along with Anzi Tubbs inspector mark. The handguard looks correct, the wood has been replaced. The serial number falls outside Canfields and the Blue Book serial number range. Does anyone have access to the Ithaca shipping records ? Can anyone help ? thanks

Information

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[Jridings36]

According to Tom D in thread below around 62000.

Ithaca Model 37 help needed.

[SUBGUN45]

Special thanks to Tom Doniphon for his help on the Ithaca.