Phở 131/1
The name is the house number — find 131/1 To Hien Thanh, District 10, and you’re there.

The one-price menu of To Hien Thanh
No need to read long: four pho dishes, all 65,000₫ — per the shop’s own sales page (listed prices include the 2,000₫ box fee). Extra brisket or tendon bowl 25,000₫.
A shop named after its house number
131/1 is not a brand — it’s an address.

The shop's own beef-ball bowl
The product shot the shop itself posted — clear broth, sliced beef, chili, onion, chopsticks on wood. The only photo verified as the shop's.
The address is the signboard
No fancy brand, no slogan — 131/1 To Hien Thanh, now in Hoa Hung Ward (formerly Ward 13), District 10. Find the number, find the shop.
Eat at the listed price
Open 06:00–22:00 per the shop’s sales page — one other listing says 21:00 (unverified); come early to be safe.
Address & hours
131/1 To Hien Thanh, Hoa Hung Ward (ex-Ward 13), District 10, HCMC
06:00 – 22:00 daily (per the shop’s sales page)