That is a French label, as you know. The pig is a reference to the rumour that the 57 enfield paper cartridge used animal fat to lubricate the enfield bullets. This rumour cased an uprising in India by Indian troops who took offence to this. Dan LeClair wrote an excellent article about this.
So why the pig on the label? It would appear to be a sarcastic poke at the English by someone in France. Someone had a wicked sense of humour.
I would have added a cow to the picture…
thank you Will !
this is a SFM label.
I will check to give you the date