Generally the 1 PD items are the original V1 Weapons and Equipment. (Blue names feel free to make edits)
Sabers:
DB's Saber (In general, none of them have specials so they are only worth more than 1 PD if they have absurd percentages, and even then that's to a collector)
Kaladbolg
Durandal
Delsaber's Buster (Delsaber's Right Arm)
Elysion
Kusanagi
Red Saber (less than 30 hit)
Daggers:
Blade Dance
Bloody Art
Cross Scar
S-Beat's Blade (S-Beat's Arms)
S-Berill's Hands #0 (S-Berill's Arms)
Zero Divide (Ungrinded + no/low hit)
Swords:
Flowen's Sword (Military 9 star, the others are varying rarity so lead to varying prices, which are in general >1PD. 3084 is Spirit but may end up being worth anywhere from 1-5 without hit, due to the ease of obtaining one.)
Last Survivor
Dragon Slayer
Laconium Axe (No/low hit)
Victor Axe
Partisan:
Vjaya (Less than 40 hit)
Gae Bolg
Brionac
Soul Eater
Snake Spire
Synthesizer
Tree Clippers
Yunchang (no/low hit)
Slicers:
Slicer of Assassin
Diska of Liberator
Diska of Braveman (less than 35 hit)
Rappy Fan (Rappy's Wing)
Handguns:
Varista
Custom Ray v.00
Bravace
Red Handgun (no/low hit)
Suppressed Gun
Rifle:
Justy
Wals-MK2
Visk
Anti-Android Rifle
Rianov 303SNSR (All but Rianov 303SNSR-5)
Tanegashima
Mechgun:
M&A60 Vise (less than 50 hit)
H&S25 Justice
L&K14 Combat (The Mechgun, not the chaingun)
Twin Psychoguns (no/low hit)
Shot:
Final Impact (less than 35 hit - it has slight value due to EXP steal)
Crush Bullet
Meteor Smash
Belra Cannon (Belra's Right Arm) (This is worth 0 PDs. It is THE worst weapon in the game.)
Inferno Bazooka
Canes:
Club of Laconium
Club of Zumiuran
Mace of Adaman
Windmill
Wands:
Storm Wand: Indra
Ice Staff: Dagon
Fire Scepter: Agni
Technical Crozier
Decalog
Staff:
Battle Verge
Brave Hammer
Alive Aqhu
Branch of Paku Paku/Striker of Chao
Fatsia (low/no hit)
Hildebear's/Hildeblue's Cane (Hildebear's/Hildeblue's Head)
Plantain Leaf
Rabbit Wand
Valkyrie
Fist:
Angry Fist
Brave Knuckle
God Hand
Double Saber:
Double Saber
(Less than 50 hit)
Twin Brand
Stag Cutlery
Claw:
*Booma's Claw ([Gi][go]booma's Arm)
Dragon's Claw (Dragon's Claw)
Phoenix Claw (Untekked)
Photon Claw
Silence Claw
Katana:
All Agito except for 1975/Orotiagito
Akiko's Frying Pan
Sange (no/low hit)
Twin Sword:
Musashi (no/low hit) (haha good luck getting one with hit)
Yamato
G-Assassin's Sabers (G-Assassin's Arms)
Launcher:
ANO Bazooka
Photon Launcher
Guilty Light
Red Scorpio
Card:
Guardianna (no/low hit)
Kan'ei Tsuho
Mahu
Talis
Shield:
Sacred Guard
S-Parts (Both of them - 1.16 lost the ATA buff)
Invisible Guard
Light Relief
Secret Gear
Attribute Wall
Shield of Delsaber (Delsaber's Left Arm)
Union Guard
God's Shield Genbu/Suzaka/Byakko/Seiryu (IMO - some may want to charge more.)
Custom Barrier Ver.00
Flowen's Shield
DB's Shield
Proto Regen Gear
Black Ring (TTF)
Purple Ring (TTF)
Bunny Ears
Ragol Ring
Striker Plus
Yata Mirror
Cat Ears
Armor:
Alliance Uniform
Attribute Plate
Blue Odoshi Domaru
Black Odoshi Red Nimaidou
Commander Uniform
Cursed Cloak
Custom Frame Ver.00
DB's Armor
Flowen's Frame
Graviton Plate
Guard Wave (min/low stat)
Class Fields (Obtained from Ep2 Cmode)
Infantry Gear
Infantry Mantle
Lieutenant Gear
Lieutenant Mantle (min/low stat)
Morning Prayer
Officer Uniform
Red Coat
Red Odoshi Domaru
Revival Cuirass
Revival Garment
Select Cloak
Sense Plate
Spirit Cuirass
Stink Frame (All except ones with 85-90 defense)
Units:
All /Body units
All /Legs units
Wizard/Technique
Devil/Battle
All HP/Restorate units
All TP/Restorate units
Hero/Ability
Cure/Poison
Heavenly/TP
Divine Protection
Friend Ring
Yasakani Magatama
Etc:
Any item that is a quest ingredient
Addslot
Belra's Right Arm
Booma's Arm series
Delsaber's Left+Right Arms
Dragon's Claw
Grass Assassin Arms
Rappy's Wing
Sinow Berril's Arm
Hildebear/Hildeblue's Head
All music disks
Heaven Striker Coat
Rappy's Beak
Cell of Mag XXX (Whichever you can get from Sunset Base)
Parts of Egg Blaster
Book of Hitogata