Can someone please provide proof or hard evidence that the single sided "T-53" flat back Mobil Pegasus signs are or are not reproductions...

How would you tell? The porcelain and steel core is very consistant with the 50's era of porcelain signs...

littleshanno has one posted on eBay right now for reference(he has sold one after another of these)...

I purchased mine from Mike in Rockwall TX off eBay.

I would like it if someone could provide verifiable proof that the sign is or is not real...