I need to know please how much, approx., would it cost me to send one double guitar gig bag of 15 k, 111 x 31 x 21 cm, a box of approx. 25 k, 50 cm x 50 cm x 50 cm, and, a bag of 30 k, 100 x 40 x 30 cm, all measures approx., from Guildford - England to Caracas - Venezuela and how long would it take? Thank You