For the hardcore ESB Fett fanatics there is a good Letraset replacement for your replica helmet. Altough the sheet is Mecanorma and not Letraset, it is closer to the real deal than anything else and while it says simply Folio, it is the correct Folio Bold Condensed 7.7mm or 28pt font type. Here is the link to the site ==> Mecanorma Folio 7.7mm Dry Transfer Sheets
And this is the sheet with the correct font for reference:
This is not my sale (and I don't earn anything from this) and I think is a bit against the forum rules (for posting others sales and not yours), but I wanted to post this because this might help somebody to achieve an accurate helmet.