California Dogface (Butterfly) Stamp(5 Books 100 Stamps)

The California Dogface (Butterfly) stamp is part of the USPS Butterfly Stamp series, specifically designed for the non-machineable surcharge rate.

What it is for:
This stamp covers the extra postage required for non-machineable mail, such as square envelopes, rigid envelopes, or mail pieces that can’t be processed through automated sorting machines.

Value:
The non-machineable surcharge rate is always equal to the First-Class Mail 1-oz letter rate + the non-machineable surcharge fee.

For example, in 2025, the 1-oz First-Class letter rate is $0.68, and the non-machineable surcharge is $0.44, making the total value of the stamp $1.12.

Design:
The stamp features the California Dogface butterfly (Zerene eurydice), which is California’s state insect.

👉 In short:
The California Dogface Butterfly Stamp is a Forever non-machineable surcharge stamp, always valid for the current non-machineable 1-oz letter rate。