Found Ford Armchair Estimator for 1970, in my pile-O-junk. Prices are FOB Ford factory and do not include dealer prep. Printed Sept 1969, there is a notation on the last page stating: Maverick Locking steering column, semi-oval steering wheel and flashing side marker, currently not included, will be standard later. All-vinyl interior, black or nugget only, Blazer Stripe interior, red or nugget only, are available as options. Fiberglass Belted Tires are optional. Obviously the notation indicates the 1969-1/2 Maverick.
Ah, good to see my 1969-1/2 Maverick is still worth it's full price (no matter how much I've put into it). And they say cars lose their value when they leave the lot.