UPDATE: Both of these were on eBay several years ago, the sign in 2017 and the patch in 2015. According to Bruce (see comments) the club still exists.
“OLD SOMERSET JEEP CLUB TIN/METAL SIGN
MEASURES 18X10
HAS ORIGINAL RED PAINT
CONDITION MISSING PAINT/HAS A BEND IN IT
COOL OLD JEEP SIGN!!”
Jeep Club patch sold on ebay in 2015:
Sign is from around 1968 to 1972 The club is still in existence Orn Nedrow was a Jeep dealer and one of the founders of the club
Thanks for the info Bruce!