Old 600-years tree in Sandanski on post stamp

Keywords:

collection, stamp, picture, communications, postage, mail, post, postmark, zigzag, canceled, mark, philately, retro, vintage, symbol, graphic, Bulgaria, Sandanski, brown, oak, botanical, landscape, woodland, leaf, leaves, tree, forest, wood, backgrounds, summer, tourism, travel, paradise, relax, resort, outdoor, rural, country, countryside, organic, silhouette, sketch, botanic, botany, nature, natural, flora, plant, branch,