Transparent, colourless to white crystalline pure mass.

Purchased from RFD Parkinson in 1974.

Postage combined on multiple orders if you request an invoice BEFORE paying. This avoids eBay charging me their fees twice for overpaid postage.  I will not refund these fees if you pay for multiple items individually without using an invoice - sorry, it is costing me too much money refunding customers postal charges that eBay has taken from me and will not refund! 

If you're unsure how to pay, please send a message - I will help you.

International postage is quoted for the US, which has increased hugely recently.  Excess P&P (-eBay fees) will be refunded to other locations like Europe.

US customers - browse my other listings using eBay.co.uk