original letter of credit meaning in English

原始信用证
原信用证

Please give this very urgent matter your utmost attention for this goods have already been dispatched to italy and applicant of the original letter of credit is great need of the documents , which will only be released by your customer after this matter is concluded
请给予此事高度关注,因为货物已经运往意大利.信用证申请人急需相关单据.然而,只有此事得以解决单据才能交付