GIBRALTAR (2017). SWISS POST - Tourist stamps. Cover to Spain (Gun - Harding's Battery)

SWISS POST INTERNATIONAL (2017). Self-adhesive stamps, for international tourist postcards. Postcard mailed to Spain (P.P.), with Swiss Post hidden by a self-adhesive white label and a Correos stamp. Correos Madrid postmark.

SWISS POST INTERNATIONAL (2017). Self-adhesive stamps, for international tourist postcards. Postcard mailed to Spain (P.P.), with Swiss Post partially hidden by a Correos stamp, only visible the QR code. Correos Madrid postmark.

SWISS POST INTERNATIONAL (2017). Front & back cover of the booklet + one complete sheet with 10 mint self-adhesive stamps (P.P.), for international postcards. Used in Gibraltar only for tourist mail.

SWISS POST INTERNATIONAL (2017). Self-adhesive stamps, for international tourist postcards. Cover mailed to Spain (P.P.), Royal Gibraltar Post Office postmark.

SWISS POST INTERNATIONAL (2017). Self-adhesive stamps, for international tourist postcards. Postcard mailed to Spain (P.P.), with Swiss Post partially hidden by a Correos stamp. Correos Madrid postmark.