No markings on board - Galaxian bootleg?

.7l	2716	stickered	7L
				2
				SP

.7k	2716	stickered	7K
				SP

.7j	2716	stickered	7J
				SP

.7h	2716	stickered	7H
				SP

.7f	2716	stickered	7F
				SP

.1kl	2716	stickered	1KL

.1hj	2716	stickered	1HJ

.6l	82s122


MAMUI32 version 0.129u5
E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\sp\roms\sp.7f 
sp.7f               = galmidw.u             Galaxian (Namco set 1)
                    = galmidw.u             Galaxian (Midway set 1)

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\sp\roms\sp.7h 
sp.7h               = galmidw.v             Galaxian (Namco set 1)
                    = galmidw.v             Galaxian (Midway set 1)
                    = galmidw.v             Galaxian Test ROM

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\sp\roms\sp.7j 
sp.7j               = galmidw.w             Galaxian (Namco set 1)
                    = galmidw.w             Galaxian (Midway set 1)
                    = galmidw.w             Galaxian Test ROM

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\sp\roms\sp.7k 
sp.7k               NO MATCH

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\sp\roms\sp.7l 
sp.7l               NO MATCH

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\sp\roms\sp.6l 
sp.6l               = 6l.bpr                Galaxian (Namco set 1)
                    = 6l.bpr                Galaxian (Namco set 2)
                    = 6l.bpr                Galaxian (Midway set 1)
                    = 6l.bpr                Galaxian (Midway set 2)
                    = 6l.bpr                Galaxian (Taito)
                    = 6l.bpr                Super Galaxians (galaxiaj hack)
                    = 6l.bpr                Galaxian Part X (moonaln hack)
                    = 6l.bpr                Moon Alien
                    = 6l.bpr                Space Invaders Galactica (galaxiaj hack)
                    = 6l.bpr                Galaxian Part 4 (hack)
                    = 6l.bpr                Galaxian Turbo (superg hack)
                    = 6l.bpr                Swarm (bootleg?)
                    = 6l.bpr                Zero Time
                    = 6l.bpr                Galaxian (bootleg)
                    = 6l.bpr                Galaxian Test ROM
                    = 6l.bpr                Space Battle (bootleg set 1)
                    = 6l.bpr                Defend the Terra Attack on the Red UFO
                    = 6l.bpr                Moon Alien Part 2
                    = 6l.bpr                Moon Alien Part 2 (older version)
                    = 6l.bpr                Black Hole

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\sp\roms\sp.1kl 
sp.1kl              NO MATCH

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\sp\roms\sp.1hj 
sp.1hj              NO MATCH