Lot of 20 Unused Vintage 1970s Esso State Maps

Lot of 20 Unused Vintage 1970s Esso State Maps. This listing is for the original open box with 20 unused vintage 1970s State Maps in original opened box. These maps have not even been opened except to take pictures for this listing.  They appear to be in good condition, I did not note any tearing but some are yellowed. See photos for details. Combined shipping available.