This 1970 Upper Left Se-Tenant Block of 4 25c Scott #511b W2B [Tagged] stamps, with a VANCOUVER BC Dec. 5, 1970 cancel, from Don's Classic Stamps is in Used condition. The Unitrade Specialized Catalogue of Canadian Stamps (which uses the Scott numbering system) shows a Catalogue value of (approx) $15.00 for this block in VF. (Item #11,725)