Jews have been selling religious articles in Rome for centuries without problems. There are a number of references which refer to the old tradition of doing this. It would seem that the case that you refer to would be no worse than this. One of the stories that I found said that the chief rabbi of Rome had been involved in trying to keep the licenses.
As an example:
This story on 15 January 2008 said
Of the existing 113 licenses that allow souvenir selling in Rome, 112
belong to Jewish vendors.
The profession dates back dates to the pontificate of Paul IV
(1555-1559).
While confining the Jews to the Rome ghetto, the pontiff allowed them
to exercise minor street trades.
When Italy unified in 1870 at the expenses of the Pope’s temporal
power on Rome, Jews turned into souvenir sellers after obtaining ad
hoc licenses from the Italian civil authorities, while some were
granted such right directly from the Vatican authorities.
The "urtisti" – literally those who bump into the tourists -, deal in
small plaster statues, crucifixes, rosaries and pictures of saints and
Popes still nowadays.
Another story from October 16, 2015 mentioned that the chief rabbi had been involved in trying to keep the licenses active.
“Marino had promised the chief rabbi he would not do this,” Mr Perugia
said.
This summer, the rabbi joined vendors in a noisy protest outside the
town hall, and Marino vowed to reverse his decision, but with the
mayor resigning this week, the vendors now face continued uncertainty.
