Usually $5.99 each, With coupon $3.99 USD each (free postage & handling)
Make sure you enter coupon at final checkout screen to get discount and free shipping. Shipping is $3.99 normally
I ordered some the last time around http://www.ozbargain.com.au/node/32483
There OK quality but shipping is slow.
Direct URL to the custom stamp
Items $5.99 Shipping/Handling $3.99 Coupon Discount ($5.99) Order Total $3.99