A.N.A. Mendez

Does anyone happen to know what "A" above serial number on a mid 1940s model means?? I haven't seen any explanation for this on the sites I've checked.....Thanks

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(Above) Alexanders ragtime band-circa 1960

"Baby, I'm already the coolest, and the hippist, now you want me to be on time too?" Buddy Love

"We appointed all our worst generals to command our armies, and our best generals to edit our newspapers." Robert E. Lee