Search operating mode in the search bar. The search does not take into account upper or lower case letters.

By name: just enter the first letters, don't be too precise (example: opera, type op. For Mountain, type mont then a and g to refine)

By Number: Stamps (post office) just type in their number. Pre-canceled stamps, you must type (preo) in front of the number without space

example: preo27

Pre-canceled stamp type preo + number

Service stamp type s + number

Franchise stamp type fm + number

Tax stamp type t + number

Self-adhesive stamp type ad + number

Airmail stamp type pa + number

Postal parcel stamp cp + number

Stamp notebook type bc + number

Souvenir sheet stamp type bf + number