All HIA Commemorative Coin Locations and Rewards

Find HIA Commemorative Coins in Sixth Street, Brant Street, Lumina Square, and Ballet Twins Road to exchange rewards with the Sage in the Barrel in Zenless Zone Zero (ZZZ). See All 64 HIA Coin Locations, all the rewards, and how to unlock it here!

HIA Commemorative Coin Locations

All 28 HIA Commemorative Coins in Sixth Street and Brant Street

Sixth Street Coin Locations

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Got?	Location	How to Get
	Waterfall Soup (Afternoon)	・Talk to Ellis who's sitting down at Waterfall Soup. ・Complete the "Trash Talking" Side Commission. Required to unlock the other HIA Commemorative Coin Locations
	Coff Cafe (Morning)	・Examine the Fragrant Plant outside of Coff Cafe. ・Can only be collected when it's sparkling.
	Coff Cafe (Afternoon)	・Examine Mr. Panda sitting outside of Coff Cafe. ・Can only be collected when it's sparkling.
	Random Play (Evening)	・Examine the Locker beside the Workbench inside Random Play. ・Can only be collected when it's sparkling.
	Bardic Needle (Afternoon)	・Examine the Packing Crate outside of Bardic Needle. ・Can only be collected when it's sparkling.
	Gadget Store (Midnight)	・Examine the Skateboard Bench to the right of the Gadget Store. ・Can only be collected when it's sparkling.
	Newsstand / Officer Mewmew (Evening)	・Examine the Dumpster located behind the Newsstand and beside Officer Mewmew. ・Can only be collected when it's sparkling.
	God Finger (Evening)	・Talk to Jonah outside of God Finger.
	141 Convenience Store (Evening)	・Talk to Roy outside of 141 Convenience Store and give him 300 Dennies
	141 Convenience Store (Afternoon)	・Talk to Pavol Chuck at the side of 141 Convenience Store. ・Talk to the Sage in a Barrel ・Talk to Pavol Chuck again.
	141 Convenience Store (Afternoon)	・Talk to Lupita across the street from 141 Convenience Store.
	Waterfall Soup (Morning)	・Talk to Sjal in front of Waterfall Soup.
	Random Play (Afternoon)	・Talk to Travis outside of Random Play.
	141 Convenience Store (Evening)	・Talk to Hannah in front of the Convenience Store. ・Interact with the Vending Machine behind the truck to the left of the store. ・Select Refund. ・Talk to Hannah again.
	Turbo Remodeling Shop (Afternoon)	・Talk to Clara across the street from Turbo. ・Take a Photo of her using the Camera. ・Talk to Clara again.
	Turbo Remodeling Shop (Morning)	・Talk to Luo in front of Turbo. ・Examine the Crate on the 2nd Floor of the Custom Shop.
	Turbo Remodeling Shop (Morning)	・Talk to Mrs. Yani across the street from Turbo. ・Talk to "Give Change" at the 141 Convenience Store. ・Talk to Mrs. Yani again.
	Turbo Remodeling Shop (Midnight)	・Talk to Gerant outside of the Remodeling Shop. ・Talk to Sita behind the Newsstand. ・Talk to Gerant again.

Brant Street Construction Site Coin Locations

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Got?	Location	How to Get
	Junction Box (Morning)	・Talk to Luka by the Junction Box. ・Pay him either 50 or 500 Dennies. You'll lose the amount that you choose.
	Junction Box (Morning)	・Talk to Becky by the Junction Box.
	Cement Bags (Evening)	・Talk to Li by the Cement Bags. ・Examine the Cement Bag. ・Talk to Li again.
	Raised Area (Afternoon)	・Talk to Kaidou on the raised area of the construction site. Not the second floor. ・Talk to Pepper sitting by the ramps. ・Talk to Kaidou again.
	Crate Stack (Morning)	・Talk to Ronnie by the stack of crates. ・Talk to Kousaka by the Junction Box. (might be optional) ・Take a Photo of Kousaka. ・Talk to Ronnie again.
	Elevator (Morning)	・Talk to Kaede beside one of the Eleveators. ・Talk to Cole right across from Kaede. ・Talk to Kaede again.
	Large Pipes (Evening)	・Talk to Yang by the Large Pipes. ・Talk to Sulking Builderboo trapped inside the pipes. ・Talk to Sulking Builderboo again.
	Cement Bags (Afternoon)	・Talk to Ironhead by the Cement Bags.
	8 Wheeler Truck (Afternoon)	・Talk to Gray in front of the 8 Wheeler Truck.
	Crate Stack (Evening)	・Talk to Jen by the stack of crates. ・Talk to Kaishu by your Business Car.

HIA Commemorative Coin - Radiance Locations

All 36 HIA Coins - Radiance in Lumina Street and Ballet Twins Road

Lumina Street Coin Locations

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Got?	Location	How to Get
	Parking Area (Midnight)	・Talk to Casey located outside the parking area where your Business Car's parked.
	Beauerson Beauty Salon (Midnight)	・Examine the Air Conditioner behind Beauerson Beauty Salon. ・Can only be collected when it's sparkling.
	Coff Cafe (Morning)	Talk to Emmie behind Coff Cafe.
	Pharmacy (Afternoon)	・Talk to Orlenda in front of the Pharmacy near Officer Mewmew.
	Playground (Evening)	・Examine the Tire beside a kid at the Playground. ・Can only be collected when it's sparkling.
	Mall (Evening)	・Talk to Tarshi in front of the Mall.
	141 Convenience Store (Afternoon)	・Examine the Advert in front of the Convenience Store. ・Can only be collected when it's sparkling.
	Waterfall Soup (Evening)	・Examine the Manhole Cover in front of the Waterfall Soup Noodle Shop. ・Can only be collected when it's sparkling.
	Playground (Afternoon)	・Examine the Broken Toy next to the girl in the Playground. ・Can only be collected when it's sparkling.
	HIA (Evening)	・ Talk to Lynn standing outside the HIA building.
	HIA (Midnight)	・ Talk to Ruby outside the HIA building.
	Richard Teamilk (Morning)	・ Examine the Flower Bed in front of Richard Teamilk. ・Can only be collected when it's sparkling.
	HIA (Afternoon)	・ Talk to Lilac by the HIA building entrance.
	Bicycle Parking (Morning)	・ Examine the Bicycle parked in front of the Newsstand. ・ Can only be collected when it's sparkling.
	Silver Statue (Morning)	・ Talk to Granny Leisha nearby the Silver Statue.

Ballet Twins Road Coin Locations

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Got?	Location	How to Get
	Sunken Courtyard (Morning)	・ Examine the Takeout Bag on a bench behind Officer Mewmew. ・ Can only be collected when it's sparkling.
	Business Car (Morning)	・ Examine the Ladder across from where your Business Car is parked. ・ Can only be collected when it's sparkling.
	Sunken Courtyard (Afternoon)	・ Examine the Bench in the Sunken Courtyard to the right of the statue. ・ Can only be collected when it's sparkling.
	Plaza Walkway (Evening)	・ Examine the Red Vending Machine up on the Plaza Walkway. ・ Can only be collected when it's sparkling.
	Statue (Midnight)	・ Talk to Archie behind the big statue.

How to Find HIA Commemorative Coins

Talk to the Sage in a Barrel

You can talk to the Sage in a Barrel to ask them for the location of an HIA Commemorative Coin. If you don't know which ones you're missing, you can always ask the Sage for some help!

Look Out for Grey Speech Bubbles

NPCs that give you an HIA Coin will have a grey speech bubble over their head. This makes it easy to find them since you can see these through walls!

Find Sparkling Objects

Interactable items that have HIA Coins will sparkle. They'll need to have the sparkling animation for the Coin to appear, otherwise you'll just get generic dialogue text.

Can Only Claim Coins During Free Time

If you want to collect HIA Coins, you'll need to to not have a Main Commission active, and you're character has free time. You can tell when you're in free time when you can see the date and time at the top left of your screen.

HIA Commemorative Coin Rewards

Exchange for Rewards from Sage in a Barrel

You can exchange HIA Commemorative Coins to Sage in a Barrel for various rewards. There are a total of 27 items that you can get in exchange for your coins.

The Sage in a Barrel is a talking trash can that is located at the end of Sixth Street, near the 141 Convenience Store with the three Bangboos in front.

All Maps and Travel Guides

All Possible Reward Exchanges

List of Items
Senior Investigator Log	Denny	W-Engine Energy Module

The reward amounts differ depending on how many HIA Coins you give.

List of All Items and Materials

How to Unlock HIA Coins and Sage in the Barrel

Complete “Trash Talking” Side Commission

To unlock HIA Commemorative Coins and the Sage in a Barrel, you'll need to complete the ''Trash Talking'' Side Commission from Ellis in front of Waterfall Soup.

Once you've completed the commission and received your first HIA Commemorative Coin, you'll unlock the ability to find more and give them to the Sage in a Barrel.

List of Side Commissions

HIA Commemorative Coin Effects and Basic Information

HIA Commemorative Coin

HIA Commemorative Coin
HIA Commemorative Coin
Rarity	A	Type	Commission Item
Effects	A precious commemorative coin beloved by Sage in a Barrel. You can extract further information about such commemorative coins from him.
Description	Limited edition commemorative coins issued by the Hollow Investigative Association long ago. Their exclusivity is due to their rarity, as many of these coins have been lost over the years due to people relocating away from Hollows and other reasons.

HIA Commemorative Coin - Radiance

HIA Commemorative Coin (Radiance)
HIA Commemorative Coin (Radiance)
Rarity	S	Type	Commission Item
Effects	A special commemorative coin that can be exchanged for items at the Sage in a Barrel in Lumina Square.
Description	Limited edition commemorative coins issued by the Hollow Investigative Association long ago. Their exclusivity is due to their rarity, as many of these coins have been lost over the years due to people relocating away from Hollows and other reasons.

Zenless Zone Zero Related Guides

Tips and Tricks Guide

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