The only markings I can find on the head are STANLEY, Made in U.S.A. There are no weight markings that I can see.
C&T 3 Piece Ball Peen Hammer, 16oz 32oz 48oz, Fiberglass Handle hammer for Ball Peen, Blow
ANTIQUE STANLEY NEW Britain 12.,1oz Ball Peen Hammer Head,3-3/4
TRUE TEMPER No. 1308 Ball Peen Hammer, 8 oz. — Fine Tool Journal Online Store
Nice solid Stanley 24 oz.
Vintage 24 Ounce Stanley Ball Peen Hammer
ANTIQUE STANLEY NEW Britain 12.,1oz Ball Peen Hammer Head,3-3/4
Vintage 16 Oz Stanley Ball Peen Hammer 54-116 - Israel
VINTAGE STANLEY JOBMASTER ball peen hammer 9 oz. $25.00 - PicClick
Stanley Ball's Instagram, Twitter & Facebook on IDCrawl
VINTAGE GAMBLES ARTISAN Embossed Small Ball Peen Hammer $42.00
This Ball Peen is in very good condition and sold used.
Vintage Small 8.9oz Ball Peen Hammer *NICE*
HeadStanley Ball Pein Hammers WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
Stanley Hickory Handle Ball Pein Hammer 32 oz.
Vintage Stanley Ball Peen Hammer 24oz.
Lot of (8) Vintage Ball Peen Hammer Blacksmith Stanley, Samson, Billings, Temper
EXTRA FINE STANLEY ATHA 2 OZ BALL PEEN HAMMER – Ted Dawson Antique Tools