Concertina is made of wood, painted black; the side panels are painted imitating walnut wood and decorated with rhomboid patterns with foliate motifs. Ten buttons and eight apertures are on the right keyboard. Two brass handles are on the left-hand side. One handle for draining air from the bellows is on the rear side. The bellows are made of black leather cloth and complemented with metal brackets. The folds’ internal surface is pasted with violet paper ornated with floral ornament; the bellows’ fixed sides are covered with paper with foliate patterns. The fixed parts of the object on the front and rear sides are fastened with figured hooks for locking the folded bellows.

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