18 year old Wiser's oldest blended Canadian whiskey

[allmynames]

hello, i have myself a bottle of wisers oldest canadian blended whiskey 18 years old. it is in a red sash with a gold/yellow string on top what has a wisers metal pendant on it. it was bottled in 1958. it still has its seal on top (orange in colour). there is a number on the seal what reads E5209156 1958. its has never been opend. i was just wondering if anyone could put a value on this for me. haha im not to sure i would sell it but i would like to be aware of its value. thank you for your help in advance. PS: the bottle contains 25 FL. OZS.