Right then..
FAKE Horizontal Made in Hong Kong bag:
REAL Horiztonal Made in Hong Kong bags:
There are only THREE types of legit MIHK bags with horizontal text and they are ALL early figures, they are the SW-A, SW-D and SW-E which look like this:
His looks like a figure sealed in a sandwhich bag that someone has taken a home made stamp to with purple ink..
Moving on:
FAKE ESB-H style bags (unmarked / heat sealed)
&
REAL ESB-H style bag:
ESB-H bags while they can be small or large have a single seal line on them (not a double one like his) and where the seal is made the excess usually crinkles up. Especially on the smaller ones.
FAKE ESB-F style bag:
REAL ESB-F style bag:
This one is easy to spot, not only are the double heat seal marks visible (home made) but the bag is super short! Meaning it was probably cut down and sealed again to tidy it up, I can't say I have ever seen an ESB-F as short as a figure such as Snaggletooth.
These on the other hand are all legit Snag baggies:
-Red Snag, heat sealed, "Kenner MIHK"
-Red Snag, heat sealed, Kenner/GM logo
-Blue Snag, heat sealed, Kenner/GM logo
Would he like me to go on?