ROYAL MAIL POSTAL CHARGES - prices based on actual postal costs plus ebay handling fees
POSTAGE (prices shown are UK Pounds Sterling) - new rates effective April 3rd, 2023
United Kingdom: 0.75 up to 4 slides (small letter 2nd Class); 1.60 for 5 or more slides (large letter)
NEW - International worldwide small letter: 2.50 (up to 4 slides)
Europe: 3.50 (large letter up to 100g or 5-10 slides); 4.95 (up to 250g or 11+ slides)
AUSTRALIA/NEW ZEALAND
4.50 (large letter up to 100g or 5-10 slides); 7.50 (large letter up to 250g for 11+ slides).
USA/CANADA &Rest of World
4.50 (large letter up to 100g or 5-10 slides); 6.70 (up to 250g for 11+ slides)
via Royal Mail International Standard.