Sears anchored Greater Los Angeles' POMONA VALLEY CENTER. The store, encompassing 111,500 square feet, commenced operation in November 1954. We have determined, by a process of elimination, that this was the chain's very first full-line, shopping mall store.
Photo from Sears, Roebuck & Company

EARLY SEARS SHOPPING MALL STORES (Full-line):

*MONDAWMIN CENTER, Baltimore (City), MD (1956)
*ALA MOANA CENTER, Honolulu, HI (1959)
*MERLE HAY PLAZA, Des Moines, IA (1959)

The iconic Sears script nameplate was used on Annapolis, Maryland's PAROLE PLAZA store. It opened its doors in May 1962 and consisted of 73,000 square feet of selling space.