I have recently bought a "vintage" Valley Forge 48 star American Flag. The flag has a tight weave and reinforcement fabric near the grommets. According the identification chart the flag is in the 1940-58 range as it says "VALLEY FORGE FLAG CO 5X9 1/2 FT." all on one line and the labeling has a little bit of fading but is quite legible. The flag is in great condition and looks like it has never been flown with appliqued stars and no fading of any of the fabric and definitely smells like storage. I was told that it was an Estate sale and was in the "normal" folded up way like a triangle. I've noticed though that there is no stitching on the top and bottom outer edges, how is this fabric reinforced? What kind of material could this be? (cotton/wool blend, etc.) My assumption about the age of this flag seems to be early 40s or probably before? It seems as if from what I've read, the town and state was added later in the 40s/50s where the labeling that doesn't state the location was the earlier version (early 40s late 30s?). It also seems that the reinforcement squares were of an earlier design as well. The header isn't stretched and the grommets show no wear. There is also 3 rows of stitching around the canton and the fly of the flag. I will post photos soon but was just curious to see what people think (without visuals) about the age, materials, and so forth of this flag.