Help Identify Cross / Crucifix Backstamp " S.C.G.E. Lourdes " Silver?

[vscience]

Found this vintage rosary with crucifix. Help Identify the backstamp: " Lourdes S.G.D.E. " Does this refer to silver or something else? Thx for your help.

 

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[ARC]

Lourdes France... the Church....might be a Lucite holy soil crucifix.

 

[ARC]

 

[vscience]

Lourdes France... the Church....might be a Lucite holy soil crucifix.

 

[vscience]

Makes sense to me. Thank you for your help.

 

[Mackaydon]

I believe it's a commemorative or souvenir cross that represents the Scouts and Guides of Europe (SGDE) as mentioned by association here:
"But times changed and the scout movement lost its closeness to Baden Paul, something Father Hönisch hated to see happening. During the next Sumer camp, Father was with his scouts in Lourdes. Maybe it was the Blessed Mother of Lourdes who brought Father in touch with the Catholic Scouts and Guides of Europe at her shrine. Father started to learn French. He wanted to see what this movement was all about."
Source: https://scivias-publisher.blogspot.com/2013/02/father-andreas-honisch-dedicated-his.html