Robert Sullivan * Wallace pewter collection

I have a set of four Wallace Pewter limited edition marked 619 Historical Memorabilia Sculptures.The sculptures were designed by sculptor Robert Sullivan. I'de like to know more about Sullivan can't find anything ! And just how old are these ? And what are they valued at now ? The four pieces are . It's a series of 1,000 these are all 498 .
1)Winter at Valley Forge .
2) Washington crossing the Delaware .
3) Molly Pitcher (loading cannon at the Monmouth battle) .
4) John Paul Jones .

 

As an experiment tried to copy all worthpoint Robert Sullivan Pewter Sculpture results through 2018 with images - images didn't follow, but these are easy to match up. You can go through them for more info on Sullivan...

Robert Sullivan Pewter Sculpture Of John Paul Jones Limited Edi Sold for: $195.99 Source: eBay Sold Date: Dec 29, 2018

JOHN PAUL JONES "I Have Not Yet Begun To Fight" R SULLIVAN LE PEWTER Scu Sold for: $100.00 Source: eBay Sold Date: Dec 23, 2018

Rare WALLACE PEWTER R SULLIVAN MOLLY PITCHER LOADING CANNON WAR SCULPTUR Sold for: $174.85 Source: eBay Sold Date: Sep 09, 2018

WALLACE PEWTER R SULLIVAN Washington Crossing The Delaware River SCULPTU Sold for: $174.85 Source: eBay Sold Date: Sep 08, 2018

WALLACE PEWTER R SULLIVAN John Paul Jones 568/1000 SCULPTURE Sold for: $75.00 Source: eBay Sold Date: Sep 01, 2018

WALLACE PEWTER R SULLIVAN Molly Pitcher Battle Of Monmouth 568/1000 SCUL Sold for: $99.99 Source: eBay Sold Date: Aug 21, 2018

WALLACE PEWTER R SULLIVAN Washing Crossing The Delaware 568/1000 SCULPTU Sold for: $99.99 Source: eBay Sold Date: Aug 21, 2018

WALLACE PEWTER R SULLIVAN Valley Forge Winter Encampment 568/1000 SCULPT Sold for: $99.99 Source: eBay Sold Date: Aug 21, 2018

Robert Sullivan Limited Edition Wallace Pewter WINTER AT VALLEY FORGE Sc Sold for: $100.00 Source: eBay Sold Date: Jul 05, 2018

John Paul Jones Sculpture By Robert Sullivan Limited Edition Wallace Pew Sold for: $195.00 Source: eBay Sold Date: Apr 13, 2018

Robert Sullivan George Washington Crossing Delaware Sculpture Figure Pew Sold for: $28.37 Source: eBay Sold Date: Apr 01, 2018

Wallace Pewter Molly Pitcher Loading Cannon Revolutionary War Sullivan M Sold for: $129.99 Source: eBay Sold Date: Mar 16, 2018

Robert Sullivan Wallace Pewter Sculpture Washington Crossing The Delawar Sold for: $24.99 Source: eBay Sold Date: Feb 26, 2018

Sullivan Wallace Pewter Winter At Valley Forge Limited Edition Sculpture Sold for: $49.00 Source: eBay Sold Date: Feb 21, 2018

Sullivan Wallace Pewter Molly Pitcher Limited Edition Sculpture #342 Sold for: $60.00 Source: eBay Sold Date: Feb 02, 2018

Robert Sullivan Limited Edition Wallace Pewter Sculpture WINTER AT VALLE Sold for: $39.99 Source: eBay Sold Date: Jan 19, 2018

Robert Sullivan Wallace Pewter Sculpture Washington Crossing The Delawar Sold for: $39.99 Source: eBay Sold Date: Jan 18, 2018

Robert Sullivan Signed Limited Edition Wallace Pewter MOLLY PITCHER Scul Sold for: $39.99 Source: eBay Sold Date: Jan 18, 2018