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There is a Legacy version here.

PFS StandardLongsword

Versatile P 
Source Player Core pg. 278 2.0
Favored Weapon Falayna, Iomedae, Lymnieris, Pazuzu, Vineshvakhi, Ymeri
Price 1 gp; Damage 1d8 S; Bulk 1
Hands 1
Type Melee; Category Martial; Group Sword

Longswords can be one-edged or two-edged swords. Their blades are heavy and they're between 3 and 4 feet in length.

Traits

Versatile P:

A versatile weapon can be used to deal a different type of damage than that listed in the Damage entry. This trait indicates the alternate damage type. For instance, a piercing weapon that is versatile S can be used to deal piercing or slashing damage. You choose the damage type each time you make an attack.


Critical Specialization Effects

Source Core Rulebook pg. 283 4.0
Certain feats, class features, weapon runes, and other effects can grant you additional benefits when you make a Strike with certain weapons and get a critical success. This is called a critical specialization effect. The exact effect depends on which weapon group your weapon belongs to, as listed below. You can always decide not to add the critical specialization effect of your weapon.

Sword: The target is made off-balance by your attack, becoming flat-footed until the start of your next turn.

Specific Magic Weapons

Chalice of Justice, Cooperative Blade, Final Rest, Four-Tiger Blade, Gearblade, Holy Avenger, Kortos Diamond, Nexian Sealing Blade, Searing Blade, Singing Sword, Smoking Sword, Spellcutter