Grumman identification help

[pnewt]

Yep its a Grumman

From www.HinDecoder.com

i have a 17' square stern grumman serial number #2638-g-17s any idea of the year? thanks

 

[jbcurt00]

i have a 17' square stern grumman serial number #2638-g-17s any idea of the year? thanks

Sorry. No idea...