Paul Selenger was born in Russia in 1911.  He left Russia and moved to New York in 1927.  After working as a jeweller he opened his own factory in New York City in 1948-1949.  During the 1950s and 1960s his works gained popularity and his trade mark pieces featured faces similar to those in this piece.  The factory closed in 1970s and Selenger worked as a rep for different jewellery makers.  
He named his company SEL RO from his name and his mothers name ( Rose) 

A three piece set all signed SELRO CORP. The set has a necklace with gold tone settings.  Three large glass stones with gold tone confetti effect claw settings - and four small bronze glass stones at the sides and one larger green tone sparkling stones at the top and base of the larger stone.  The large stones change colour in different lighting, from gold to green, to grey-gold.  The necklace has a gold tone flat link chain and fastens with a hook and ball link chain.  The necklace is stamped on the back. 
The clip earrings have the same confetti stones and sparkling stones as the necklace - both earrings are stamped on the back SELRO CORP. 
The large stone bracelet has a gold tone slide claps and three larger gold confetti stones.  There are four larger bronze glass sparkle stones as spacers between the large confetti stone and matching green sparkle stones .  It is marked on the slider clasp.  
A fabulous set with no damage.  
Please ask any questions I am happy to help.  I have more SELRO pieces for sale this week so please check out my other items, I am always happy to combine postage costs if you purchase more than one item from me.