Antique "Abounding Grace" by John Bunyan

Would anyone know where I could get a antique copy of John Bunyan's "Abounding Grace to the Chiefest Sinners"?

Valley Gospel Mission
3923 240th Street
Langley, BC, V2Z 2J8
Canada

Phone: 604-530-7880, Mon. to Fri. 1:00 PM to 6:30 Pm, Sat. 9:00 AM to Noon. Pacific Standard Time.

The British ebay site is normally very good for antique Bunyan books (www.ebay.co.uk).
I did notice that currently there are couple of extremely old Bunyan books listed on there. A 1770 version of Solomons Temple and a copy of the Holy War printed in 1728.

Thanks, I will check both of these sources.